| Airport Code | City/Airport Name | Country | |
| MAA | MADRAS MENMBARKAM | India | |
| MAB | MARABA | Brazil | |
| MAC | MACON SMART | United States | |
| MAD | MADRID BARAJAS | Spain | |
| MAF | MIDLAND/ODESSA MIDLAND I. | United States | |
| MAG | MADANG | Papua New Guinea | |
| MAH | MENORCA | Spain | |
| MAI | MANGOCHI | Malawi | |
| MAJ | MAJURO INTL | Marshall Islands | |
| MAK | MALAKAL | Sudan | |
| MAL | MANGOLE | Indonesia | |
| MAM | MATAMOROS | Mexico | |
| MAN | MANCHESTER INTL | Great Britain (UK) | |
| MAO | MANAUS GOMES | Brazil | |
| MAP | MAMAI | Papua New Guinea | |
| MAQ | MAE SOT | Thailand | |
| MAR | MARACAIBO LA CHINITA | Venezuela | |
| MAS | MANUS ISLAND MOMOTE | Papua New Guinea | |
| MAT | MATADI | Zaire | |
| MAU | MAUPITI | French Polynesia | |
| MAV | MALOELAP | Marshall Islands | |
| MAW | MALDEN | United States | |
| MAX | MATAM | Senegal | |
| MAY | MANGROVE CAY | Bahamas | |
| MAZ | MAYAGUEZ DE HOSTOS | Puerto Rico | |
| MBA | MOMBASA MOI INTL | Kenya | |
| MBB | MARBLE BAR | Australia | |
| MBC | M'BIGOU | Gabon | |
| MBD | MMABATHO INTL | South Africa | |
| MBE | MONBETSU | Japan | |
| MBH | MARYBOROUGH | Australia | |
| MBI | MBEYA | Tanzania | |
| MBJ | MONTEGO BAY SANGSTER | Jamaica | |
| MBK | MATUPA | Brazil | |
| MBL | MANISTEE | United States | |
| MBM | MKAMBATI | South Africa | |
| MBN | MT. BARNETT | Australia | |
| MBO | MAMBURAO | Philippines | |
| MBP | MOYOBAMBA | Peru | |
| MBQ | MBARARA | Uganda | |
| MBR | MBOUT | Mauritania | |
| MBS | SAGINAW TRI CITY | United States | |
| MBT | MASBATE | Philippines | |
| MBU | MBAMBANAKIRA | Solomon Islands | |
| MBV | MASA | Papua New Guinea | |
| MBW | MOORABBIN | Australia | |
| MBX | MARIBOR | Slovenia | |
| MBY | MOBERLY | United States | |
| MBZ | MAUES | Brazil | |
| MCA | MACENTA | Guinea | |
| MCB | MC COMB | United States | |
| MCE | MERCED | United States | |
| MCF | TAMPA MAC DILL AFB | United States | |
| MCG | MC GRATH | United States | |
| MCH | MACHALA M. SERRANO | Ecuador | |
| MCI | KANSAS CITY INTL | United States | |
| MCJ | MAICAO | Colombia | |
| MCK | MC COOK | United States | |
| MCL | MOUNT MCKINLEY | United States | |
| MCM | MONTE CARLO HLPT | Monaco | |
| MCN | MACON | United States | |
| MCO | ORLANDO INT'L | United States | |
| MCP | MACAPA INTL | Brazil | |
| MCQ | MISKOLC | Hungary | |
| MCR | MELCHOR DE MENCOS | Guatemala | |
| MCS | MONTE CASEROS | Argentina | |
| MCT | MUSCAT SEEB | Oman | |
| MCU | MONTLUCON GUERET | France | |
| MCV | MAC ARTHUR RIVER | Australia | |
| MCW | MASON CITY | United States | |
| MCX | MAKHACHKALA | Russian Federation | |
| MCY | SUNSHINE COAST MAROCHYDOR | Australia | |
| MCZ | MACEIO PALMARES | Brazil | |
| MDA | SAN ANTONIO MARTINDALE AAF | United States | |
| MDB | MELINDA | Belize | |
| MDC | MANADO SAMRTULNGI | Indonesia | |
| MDD | MIDLAND/ODESSA AIRPARK | United States | |
| MDE | MEDELLIN CORDOVA | Colombia | |
| MDF | MEDFORD TAYLOR CTY | United States | |
| MDG | MUDANJIANG | China | |
| MDH | CARBONDALE SOUTHERN | United States | |
| MDI | MAKURDI | Nigeria | |
| MDJ | MADRAS CITY CTY | United States | |
| MDK | MBANDAKA | Zaire | |
| MDL | MANDALAY ANNISATON | Myanmar | |
| MDM | MUNDUKU MID CAICOS | Papua New Guinea | |
| MDN | MADISON JEFFERSON | United States | |
| MDO | MIDDLETON IS. | United States | |
| MDP | MINDIPTANA | Indonesia | |
| MDQ | MAR DEL PLATA | Argentina | |
| MDR | MEDFRA | United States | |
| MDS | MIDDLE CAICOS | Turks and Caicos Islands | |
| MDT | HARRISBURG INTL | United States | |
| MDU | MENDI | Papua New Guinea | |
| MDV | MEDOUNEU | Gabon | |
| MDW | CHICAGO MIDWAY | United States | |
| MDX | MERCEDES | Argentina | |
| MDY | MIDWAY ISLAND SAND IS | US Minor Outlying Islands | |
| MDZ | MENDOZA PLUMERILLO | Argentina | |
| MEA | MACAE | Brazil | |
| MEB | MELBOURNE ESSENDON | Australia | |
| MEC | MANTA | Ecuador | |
| MED | MADINAH ABDULAZIZ | Saudi Arabia | |
| MEE | MARE | New Caledonia | |
| MEF | MELFI | Chad | |
| MEG | MALANGE | Angola | |
| MEH | MEHAMN | Norway | |
| MEI | MERIDIAN | United States | |
| MEJ | MEADVILLE | United States | |
| MEK | MEKNES MEZERGUE | Morocco | |
| MEL | MELBOURNE TULAMARINE | Australia | |
| MEM | MEMPHIS INTL | United States | |
| MEN | MENDE | France | |
| MEO | MANTEO DARE CO. | United States | |
| MEP | MERSING | Malaysia | |
| MER | MERCED CASTLE AFB | United States | |
| MES | MEDAN POLONIA | Indonesia | |
| MET | MORETON | Australia | |
| MEU | MONTE DOURADO | Brazil | |
| MEV | MINDEN | United States | |
| MEW | MWEKA | Zaire | |
| MEX | MEXICO CITY JUAREZ | Mexico | |
| MEY | MEGHAULI | Nepal | |
| MEZ | MESSINA | South Africa | |
| MFA | MAFIA ISLAND | Tanzania | |
| MFB | MONFORT | Colombia | |
| MFC | MAFETENG | Lesotho | |
| MFD | MANSFIELD | United States | |
| MFE | MC ALLEN | United States | |
| MFF | MOANDA | Gabon | |
| MFG | MUZAFFARABAD | Pakistan | |
| MFI | MARSHFIELD | United States | |
| MFJ | MOALA | Fiji | |
| MFL | MT. FULL STOP | Australia | |
| MFM | MACAU | Macau | |
| MFN | MILFORD SOUND | New Zealand (Aotearoa) | |
| MFO | RAS NASRANI | Egypt | |
| MFP | MANNERS CREEK | Australia | |
| MFQ | MARADI | Niger | |
| MFR | MEDFORD JACKSON CO | United States | |
| MFS | MIRAFLORES | Colombia | |
| MFU | MFUWE | Zambia | |
| MFX | MERIBEL | France | |
| MFY | MAYFA'AH | Yemen | |
| MGA | MANAGUA AC SANDINO | Nicaragua | |
| MGB | MT. GAMBIER | Australia | |
| MGC | MICHIGAN CITY | United States | |
| MGD | MAGDALENA | Bolivia | |
| MGF | MARINGA | Brazil | |
| MGG | MARGARIMA | Papua New Guinea | |
| MGH | MARGATE | South Africa | |
| MGJ | MONTGOMERY | United States | |
| MGL | MOENCHENGLADBACH | Germany | |
| MGM | MONTGOMERY DANNELLY | United States | |
| MGN | MAGANGUE BARACOA | Colombia | |
| MGO | MANEGA | Gabon | |
| MGP | MANGA | Papua New Guinea | |
| MGQ | MOGADISHU INTL | Somalia | |
| MGR | MOULTRIE/THOMASVILLE | United States | |
| MGS | MANGAIA | Cook Islands | |
| MGT | MILLINGIMBI | Australia | |
| MGV | MARGARET RIVER | Australia | |
| MGW | MORGANTOWN | United States | |
| MGX | MOABI | Gabon | |
| MGY | DAYTON MONTGOMERY | United States | |
| MGZ | MYEIK | Myanmar | |
| MHA | MAHDIA | Guyana | |
| MHB | AUCKLAND MECHANICS | New Zealand (Aotearoa) | |
| MHD | MASHAD | Iran | |
| MHE | MITCHELL | United States | |
| MHF | MORICHAL | Colombia | |
| MHG | MANNHEIM NEUOSTHEIM | Germany | |
| MHH | MARSH HARBOUR INTL | Bahamas | |
| MHI | MUSHA | Djibouti | |
| MHK | MANHATTAN | United States | |
| MHN | MULLEN | United States | |
| MHO | MT. HOUSE | Australia | |
| MHQ | MARIEHAMN | Finland | |
| MHS | MOUNT SHASTA REP | United States | |
| MHT | MANCHESTER MUNICIPAL | United States | |
| MHU | MOUNT HOTHAM | Australia | |
| MHV | MOJAVE | United States | |
| MHX | MANIHIKI ISLAND | Cook Islands | |
| MHY | MOREHEAD | Papua New Guinea | |
| MIA | MIAMI INT'L | United States | |
| MIB | MINOT MINOT AFB | United States | |
| MIC | MINNEAPOLIS CRYSTAL | United States | |
| MID | MERIDA REJON | Mexico | |
| MIE | MUNCIE | United States | |
| MIF | MONAHANS HURD | United States | |
| MIG | MUNICH NEUBIBERG AB | Germany | |
| MIH | MITCHELL PLATEAU | Australia | |
| MII | MARILIA G VIDIGAL | Brazil | |
| MIJ | MILI | Marshall Islands | |
| MIK | MIKKELI | Finland | |
| MIM | MERIMBULA | Australia | |
| MIN | MINNIPA BLACK | Australia | |
| MIP | MITSPEH RAMON | Israel | |
| MIQ | OMAHA MILLARD | United States | |
| MIR | MONASTIR SKANES | Tunisia | |
| MIS | MISIMA | Papua New Guinea | |
| MIT | SHAFTER KERN CTY | United States | |
| MIU | MAIDUGURI | Nigeria | |
| MIV | MILLVILLE | United States | |
| MIW | MARSHALLTOWN | United States | |
| MIX | MIRITI | Colombia | |
| MIZ | MAINORU | Australia | |
| MJA | MANJA | Madagascar | |
| MJB | MEGIT ISLAND | Marshall Islands | |
| MJC | MAN | Cote D'Ivoire (Ivory Coast) | |
| MJD | MOHENJO DARO | Pakistan | |
| MJE | MAJKIN | Marshall Islands | |
| MJF | MOSJOEN KJAERSTAD | Norway | |
| MJG | MAYAJIGUA | Cuba | |
| MJH | MAJMA | Saudi Arabia | |
| MJJ | MOKI | Papua New Guinea | |
| MJL | MOUILA | Gabon | |
| MJM | MBUJI-MAYI | Zaire | |
| MJN | MAJUNGA AMBOROVY | Madagascar | |
| MJP | MANJIMUP | Australia | |
| MJQ | JACKSON | United States | |
| MJT | MYTILENE | Greece | |
| MJU | MAMUJU | Indonesia | |
| MJV | MURCIA SAN JAVIER | Spain | |
| MJX | TOMS RIVER RJ MILLER | United States | |
| MJY | MANGUNJAYA | Indonesia | |
| MJZ | MIRNY | Russian Federation | |
| MKA | MARIANSKE LAZNE | Czechoslovakia (former) | |
| MKB | MEKAMBO | Gabon | |
| MKC | KANSAS CITY DOWNTOWN | United States | |
| MKD | CHAGNI | Ethiopia | |
| MKE | MILWAUKEE G MITCHELL | United States | |
| MKF | COLUMBUS MCKENNA AAF | United States | |
| MKG | MUSKEGON COUNTY | United States | |
| MKH | MOKHOTLONG | Lesotho | |
| MKI | M'BOKI | Central African Republic | |
| MKJ | MAKOUA | Congo | |
| MKK | MOLOKAI/HOOLEHUA MOLOKAI | United States | |
| MKL | JACKSON | United States | |
| MKM | MUKAH | Malaysia | |
| MKN | MALEKOLON | Papua New Guinea | |
| MKO | MUSKOGEE | United States | |
| MKP | MAKEMO | French Polynesia | |
| MKQ | MERAUKE MOPAH | Indonesia | |
| MKR | MEEKATHARRA | Australia | |
| MKS | MEKANE SELAM | Ethiopia | |
| MKT | MANKATO | United States | |
| MKU | MAKOKOU | Gabon | |
| MKV | MT. CAVENAGH | Australia | |
| MKW | MANOKWARI RENDANI | Indonesia | |
| MKX | MUKALLA | Yemen | |
| MKY | MACKAY | Australia | |
| MKZ | MALACCA BERENDUM | Malaysia | |
| MLA | MALTA LUQA | Malta | |
| MLB | MELBOURNE KENNEDY | United States | |
| MLC | MC ALESTER | United States | |
| MLD | MALAD CITY | United States | |
| MLE | MALE INTL | Maldives | |
| MLF | MILFORD | United States | |
| MLG | MALANG | Indonesia | |
| MLH | MULHOUSE/BASEL EUROARPT | Switzerland | |
| MLI | MOLINE QUAD CITY | United States | |
| MLJ | MILLEDGEVILLE | United States | |
| MLK | MALTA | United States | |
| MLL | MARSHALL | United States | |
| MLM | MORELIA | Mexico | |
| MLN | MELILLA TAHUIMA | Spain | |
| MLO | MILOS | Greece | |
| MLP | MALABANG | Philippines | |
| MLQ | MALALAUA | Papua New Guinea | |
| MLR | MILLICENT | Australia | |
| MLS | MILES CITY | United States | |
| MLT | MILLINOCKET | United States | |
| MLU | MONROE | United States | |
| MLV | MERLUNA | Australia | |
| MLW | MONROVIA PAYNE | Liberia | |
| MLX | MALATYA | Turkey | |
| MLY | MANLEY HOT SPGS. | United States | |
| MLZ | MELO | Uruguay | |
| MMB | MEMANBETSU | Japan | |
| MMC | CIUDAD MANTE | Mexico | |
| MMD | MINAMI DAITO JIMA | Japan | |
| MME | TEESSIDE INTL | Great Britain (UK) | |
| MMF | MAMFE | Cameroon | |
| MMG | MOUNT MAGNET | Australia | |
| MMH | MAMMOTH LAKES | United States | |
| MMI | ATHENS MCMINN | United States | |
| MMJ | MATSUMOTO | Japan | |
| MMK | MURMANSK MONKEY | Russian Federation | |
| MML | MARSHALL | United States | |
| MMM | MIDDLEMOUNT | Australia | |
| MMN | STOW MINUTEMAN | United States | |
| MMO | MAIO VILA MAIO | Cape Verde | |
| MMP | MOMPOS | Colombia | |
| MMQ | MBALA | Zambia | |
| MMR | AUSTIN CAMP MAYBRY AHP | United States | |
| MMT | COLUMBIA MC ENTIRE ANGB | United States | |
| MMU | MORRISTOWN | United States | |
| MMW | MOMA | Mozambique | |
| MMX | MALMO STURUP | Sweden | |
| MMY | MIYAKO JIMA | Japan | |
| MMZ | MAIMANA | Afghanistan | |
| MNA | MELANGUANE | Indonesia | |
| MNB | MOANDA | Zaire | |
| MNC | NACALA | Mozambique | |
| MND | MEDINA | Colombia | |
| MNE | MUNGARANIE | Australia | |
| MNF | MANA | Fiji | |
| MNG | MANINGRIDA | Australia | |
| MNH | MINNERIYA | Sri Lanka | |
| MNI | MONTSERRAT BLACKBURNE | Montserrat | |
| MNJ | MANANJARY | Madagascar | |
| MNK | MAIANA | Kiribati | |
| MNL | MANILA NINOY INTL | Philippines | |
| MNM | MENOMINEE | United States | |
| MNN | MARION | United States | |
| MNO | MANONO | Zaire | |
| MNQ | MONTO | Australia | |
| MNR | MONGU | Zambia | |
| MNS | MANSA | Zambia | |
| MNT | MINTO | United States | |
| MNU | MAULMYINE | Myanmar | |
| MNV | MOUNTAIN VALLEY | Australia | |
| MNW | MACDONALD DOWNS | Australia | |
| MNX | MANICORE | Brazil | |
| MNY | MONO IS. | Solomon Islands | |
| MNZ | MANASSAS | United States | |
| MOA | MOA ORESTES A. | Cuba | |
| MOB | MOBILE MUNICIPAL | United States | |
| MOC | MONTES CLAROS | Brazil | |
| MOD | MODESTO | United States | |
| MOE | MOMEIK | Myanmar | |
| MOF | MAUMERE WAIOTI | Indonesia | |
| MOG | MONGHSAT | Myanmar | |
| MOH | MOHANBARI | India | |
| MOI | MITIARO | Cook Islands | |
| MOL | MOLDE ARO | Norway | |
| MOM | MOUDJERIA | Mauritania | |
| MON | MOUNT COOK | New Zealand (Aotearoa) | |
| MOO | MOOMBA | Australia | |
| MOP | MT. PLEASANT | United States | |
| MOQ | MORONDAVA | Madagascar | |
| MOR | MORRISTOWN | United States | |
| MOS | MOSES POINT | United States | |
| MOT | MINOT | United States | |
| MOU | MOUNTAIN VILLAGE | United States | |
| MOV | MORANBAH | Australia | |
| MOY | MONTERREY | Colombia | |
| MOZ | MOOREA TEMAE | French Polynesia | |
| MPA | MPACHA | Namibia | |
| MPB | MIAMI PUBLIC SPB | United States | |
| MPC | MUKO-MUKO | Indonesia | |
| MPD | MIRPUR KHAS | Pakistan | |
| MPE | MADISON GRISWOLD | United States | |
| MPF | MAPODA | Papua New Guinea | |
| MPG | MAKINI | Papua New Guinea | |
| MPH | CATICLAN MALAY | Philippines | |
| MPI | MAMITUPO | Panama | |
| MPK | MOKPO | Korea (South) | |
| MPL | MONTPELLIER FREJORGUES | France | |
| MPM | MAPUTO INTL | Mozambique | |
| MPN | MOUNT PLEASANT | Falkland Islands (Malvinas) | |
| MPO | MT. POCONO | United States | |
| MPP | MULATUPO | Panama | |
| MPQ | MAAN | Jordan | |
| MPR | MC PHERSON | United States | |
| MPS | MOUNT PLEASANT | United States | |
| MPT | MALIANA | Indonesia | |
| MPU | MAPUA | Papua New Guinea | |
| MPV | MONTPELIER MONTPELIER | United States | |
| MPW | MARIUPOL | Ukraine | |
| MPX | MIYANMIN | Papua New Guinea | |
| MPY | MARIPASOULA | French Guiana | |
| MPZ | MT. PLEASANT MUNICIPAL | United States | |
| MQA | MANDORA | Australia | |
| MQB | MACOMB MUNICIPAL | United States | |
| MQC | MIQUELON | St. Pierre and Miquelon | |
| MQD | MAQUINCHAO | Argentina | |
| MQE | MARQUA | Australia | |
| MQF | MAGNITOGORSK | Russian Federation | |
| MQH | MINACU MUNICIPAL | Brazil | |
| MQI | QUINCY | United States | |
| MQL | MILDURA | Australia | |
| MQN | MO I RANA ROSSVOLL | Norway | |
| MQQ | MOUNDOU | Chad | |
| MQR | MOSQUERA | Colombia | |
| MQS | MUSTIQUE | Saint Vincent and the Grenadines | |
| MQT | MARQUETTE | United States | |
| MQU | MARIQUITA | Colombia | |
| MQX | MAKALE | Ethiopia | |
| MQY | SMYRNA | United States | |
| MRA | MISURATA | Libya | |
| MRD | MERIDA CARNEVALLI | Venezuela | |
| MRE | MARA LODGES | Kenya | |
| MRF | MARFA | United States | |
| MRG | MAREEBA | Australia | |
| MRI | ANCHORAGE MERRILL | United States | |
| MRJ | MARCALA | Honduras | |
| MRK | MARCO ISLAND | United States | |
| MRL | MINERS LAKE | Australia | |
| MRM | MANARE | Papua New Guinea | |
| MRN | MORGANTON | United States | |
| MRO | MASTERTON | New Zealand (Aotearoa) | |
| MRP | MARLA | Australia | |
| MRQ | MARINDUQUE | Philippines | |
| MRR | MACARA V. IBARRA | Ecuador | |
| MRS | MARSEILLE PROVENCE | France | |
| MRT | MOROAK RIVER MOROAK | Australia | |
| MRU | MAURITIUS INTL | Mauritius | |
| MRV | MINERALNYE VODY | Russian Federation | |
| MRW | MARIBO | Denmark | |
| MRX | BANDAR MAHSHAHR MAHSHAHR | Iran | |
| MRY | MONTEREY PENINSULA | United States | |
| MRZ | MOREE | Australia | |
| MSA | MUSKRAT DAM | Canada | |
| MSB | MARIGOT | Guadeloupe | |
| MSC | MESA FALCON FLD | United States | |
| MSD | MT. PLEASANT | United States | |
| MSE | MANSTON KENT INTL | Great Britain (UK) | |
| MSF | MT. SWAN | Australia | |
| MSG | MATSAILE | Lesotho | |
| MSH | MASIRAH RAF STN. | Oman | |
| MSJ | MISAWA | Japan | |
| MSL | MUSCLE SHOALS | United States | |
| MSM | MASI MANIMBA | Zaire | |
| MSN | MADISON TRUAX FLD | United States | |
| MSO | MISSOULA | United States | |
| MSP | MINNEAPOLIS INTL | United States | |
| MSQ | MINSK | Belarus | |
| MSR | MUS | Turkey | |
| MSS | MASSENA | United States | |
| MST | MAASTRICHT | Netherlands | |
| MSU | MASERU MOSHOESHOE | Lesotho | |
| MSV | MONTICELLO SULLIVAN CO. | United States | |
| MSW | MASSAWA | Ethiopia | |
| MSX | MOSSENDJO | Congo | |
| MSY | NEW ORLEANS INTL | United States | |
| MSZ | NAMIBE | Angola | |
| MTA | MATAMATA | New Zealand (Aotearoa) | |
| MTB | MONTE LIBANO | Colombia | |
| MTD | MT. SANDFORD | Australia | |
| MTE | MONTE ALEGRE | Brazil | |
| MTF | MIZAN TEFERI | Ethiopia | |
| MTG | MATO GROSSO | Brazil | |
| MTH | MARATHON | United States | |
| MTI | MOSTEIROS | Cape Verde | |
| MTJ | MONTROSE | United States | |
| MTK | MAKIN | Kiribati | |
| MTL | MAITLAND | Australia | |
| MTM | METLAKATLA | United States | |
| MTN | BALTIMORE MARTIN | United States | |
| MTO | MATTOON COLES CTY | United States | |
| MTP | MONTAUK POINT | United States | |
| MTQ | MITCHELL | Australia | |
| MTR | MONTERIA S JERONIMO | Colombia | |
| MTS | MANZINI MATSAPHA | Swaziland | |
| MTT | MINATITLAN | Mexico | |
| MTU | MONTEPUEZ | Mozambique | |
| MTV | MOTA LAVA | Vanuatu | |
| MTW | MANITOWOC | United States | |
| MTX | FAIRBANKS METRO | United States | |
| MTY | MONTERREY ESCOBEDO | Mexico | |
| MTZ | MASADA BAR YEHUDA | Israel | |
| MUA | MUNDA | Solomon Islands | |
| MUB | MAUN | Botswana | |
| MUC | MUNICH | Germany | |
| MUD | MUEDA | Mozambique | |
| MUE | KAMUELA | United States | |
| MUF | MUTING | Indonesia | |
| MUG | MULEGE | Mexico | |
| MUH | MERSA MATRUH | Egypt | |
| MUJ | MUI | Ethiopia | |
| MUK | MAUKE | Cook Islands | |
| MUL | MOULTRIE/THOMASVILLE SPENCE | United States | |
| MUM | MUMIAS | Kenya | |
| MUN | MATURIN QUIRIQUIRE | Venezuela | |
| MUP | MULGA PARK | Australia | |
| MUQ | MUCCAN | Australia | |
| MUR | MARUDI | Malaysia | |
| MUT | MUSCATINE | United States | |
| MUU | MOUNT UNION | United States | |
| MUV | PHILADELPHIA PA/WILM'TON MUSTIN ALF | United States | |
| MUW | MASCARA GHRISS | Algeria | |
| MUX | MULTAN | Pakistan | |
| MUY | MOUYONDZI | Congo | |
| MUZ | MUSOMA | Tanzania | |
| MVA | MYVATN | Iceland | |
| MVB | FRANCEVILLE MVENGUE | Gabon | |
| MVD | MONTEVIDEO CARRASCO | Uruguay | |
| MVE | "MONTEVIDEO ARPT | MINNESOTA" | United States |
| MVF | MOSSORO D ROSADO | Brazil | |
| MVG | MEVANG | Gabon | |
| MVH | MACKSVILLE | Australia | |
| MVI | MANETAI | Papua New Guinea | |
| MVJ | MANDEVILLE MARLBROUGH | Jamaica | |
| MVK | MULKA | Australia | |
| MVL | STOWE MORRISVILE | United States | |
| MVM | KAYENTA MONUMENT | United States | |
| MVN | MOUNT VERNON | United States | |
| MVO | MONGO | Chad | |
| MVP | MITU | Colombia | |
| MVQ | MOGILEV | Belarus | |
| MVR | MAROUA SALAM | Cameroon | |
| MVT | MATAIVA | French Polynesia | |
| MVU | MUSGRAVE | Australia | |
| MVV | MEGEVE | France | |
| MVW | MOUNT VERNON SKAGIT | United States | |
| MVX | MINVOUL | Gabon | |
| MVY | MARTHA'S VINEYARD | United States | |
| MVZ | MASVINGO | Zimbabwe | |
| MWA | MARION | United States | |
| MWB | MORAWA | Australia | |
| MWC | MILWAUKEE LAWRENCE J TIMMERMAN | United States | |
| MWD | MIANWALI | Pakistan | |
| MWE | MEROWE | Sudan | |
| MWF | MAEWO | Vanuatu | |
| MWG | MARAWAKA | Papua New Guinea | |
| MWH | MOSES LAKE | United States | |
| MWI | MARAMUNI | Papua New Guinea | |
| MWJ | MATTHEWS RIDGE | Guyana | |
| MWK | MATAK | Indonesia | |
| MWL | MINERAL WELLS | United States | |
| MWM | "WINDOM AIRPORT | MINNESOTA" | United States |
| MWN | MWADUI | Tanzania | |
| MWP | MOUNTAIN | Nepal | |
| MWQ | MAGWE | Myanmar | |
| MWT | MOOLAWATANA | Australia | |
| MWU | MUSSAU | Papua New Guinea | |
| MWX | MOSS TOWN EXUMA INTL | Bahamas | |
| MWY | MIRANDA DOWNS | Australia | |
| MWZ | MWANZA | Tanzania | |
| MXB | MASAMBA | Indonesia | |
| MXC | MONTICELLO | United States | |
| MXD | MARION DOWNS | Australia | |
| MXE | MAXTON LAURINBURG | United States | |
| MXF | MONTGOMERY MAXWELL AFB | United States | |
| MXG | MARLBOROUGH | United States | |
| MXH | MORO | Papua New Guinea | |
| MXJ | MINNA | Nigeria | |
| MXK | MINDIK | Papua New Guinea | |
| MXL | MEXICALI | Mexico | |
| MXM | MOROMBE | Madagascar | |
| MXN | MORLAIX PLOUJEAN | France | |
| MXP | MILAN MALPENSA | Italy | |
| MXQ | MITCHELL RIVER | Australia | |
| MXR | MIRGOROD | Ukraine | |
| MXS | MAOTA | Samoa | |
| MXT | MAINTIRANO | Madagascar | |
| MXU | MULLEWA | Australia | |
| MXV | MORON | Mongolia | |
| MXW | MANDALGOBI | Mongolia | |
| MXX | MORA | Sweden | |
| MXY | MC CARTHY | United States | |
| MXZ | MEIXIAN | China | |
| MYA | MORUYA | Australia | |
| MYB | MAYOUMBA | Gabon | |
| MYC | MARACAY | Venezuela | |
| MYD | MALINDI GEMENA | Kenya | |
| MYE | MIYAKE JIMA | Japan | |
| MYF | SAN DIEGO MONTGOMERY | United States | |
| MYG | MAYAGUANA | Bahamas | |
| MYH | MARBLE CANYON | United States | |
| MYI | MURRAY ISLANDS | Australia | |
| MYJ | MATSUYAMA | Japan | |
| MYK | MAY CREEK | United States | |
| MYL | MC CALL | United States | |
| MYM | MONKEY MOUNTAIN | Guyana | |
| MYN | MAREB | Yemen | |
| MYO | MYROODAH | Australia | |
| MYP | MARY | Turkmenistan | |
| MYQ | MYSORE | India | |
| MYR | MYRTLE BEACH MYRTLE AFB | United States | |
| MYS | MOYALE | Ethiopia | |
| MYT | MYITKYINA | Myanmar | |
| MYU | MEKORYUK | United States | |
| MYV | MARYSVILLE | United States | |
| MYW | MTWARA | Tanzania | |
| MYX | MENYAMYA | Papua New Guinea | |
| MYY | MIRI | Malaysia | |
| MYZ | MONKEY BAY | Malawi | |
| MZA | MUZAFFARNAGAR | India | |
| MZB | MOCIMBOA DE PRAIA | Mozambique | |
| MZC | MITZIC | Gabon | |
| MZD | MENDEZ | Ecuador | |
| MZE | MANATEE | Belize | |
| MZG | MAKUNG | Taiwan | |
| MZH | MERZIFON | Turkey | |
| MZI | MOPTI | Mali | |
| MZK | MARAKEI | Kiribati | |
| MZL | MANIZALES SANTAGUIDA | Colombia | |
| MZN | MINJ | Papua New Guinea | |
| MZO | MANZANILLO S. MAESTRA | Cuba | |
| MZP | MOTUEKA | New Zealand (Aotearoa) | |
| MZQ | MKUZE | South Africa | |
| MZR | MAZAR-I-SHARIF | Afghanistan | |
| MZT | MAZATLAN BUELNA | Mexico | |
| MZU | MUZAFFARPUR | India | |
| MZV | MULU | Malaysia | |
| MZX | MENA | Ethiopia | |
| MZZ | MARION | United States |
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