| MST | EHBK | Maastricht Aachen Airport, Netherlands |
| MFE | KMFE | McAllen - Miller International Airport, United States |
| MCP | SBMQ | Macapa International Airport, Brazil |
| ISP | KISP | MacArthur Airport see Long Island - MacArthur Airport, United States |
| MFM | VMMC | Macau International Airport, Macau |
| LAS | KLAS | McCarran Int´l Airport see Las Vegas - McCarran International Airport, United States |
| YOW | CYOW | Macdonald-Cartier International Airport see Ottawa Int´l Airport, Canada |
| MCZ | SBMO | Maceio - Zumbi dos Palmares Airport, Brazil |
| TYS | KTYS | McGhee Tyson Airport see Knoxville - McGhee Tyson Airport, United States |
| MKY | ABMK | Mackay Airport, Australia |
| NOP | RPVM | Mactan - Cebu Int´l Airport, Philippines |
| MED | OEMA | Madinah - Prince Mohammad Bin Abdulaziz Airport, Saudi Arabia |
| MAA | VOMM | Madras Airport see Chennai/Madras - Meenambakam Airport, India |
| MAD | LEMD | Madrid - Barajas Airport, Spain |
| MCV | LECU | Madrid - Cuatro Vientos Airport, Spain |
| GDX | UHMM | Magadan Sokol Airport, Russia |
| SEZ | FSIA | Mahe Seychelles Int´l Airport see Seychelles Int´l Airport, Seychelles |
| MQV | SVMI | Maiquetia see Caracas - Simon Bolivar International Airport, Venezuela |
| MJN | FMNM | Majunga - Amborovy Airport, Madagascar |
| SKG | LGTS | Makedonia-Thessaloniki Airport, Greece |
| SSG | FGSL | Malabo Airport, Equatorial Guinea |
| MKZ | WMKM | Malacca see Melaka - Batu Berendam Airport, Malaysia |
| AGP | LEMG | Malaga Airport, Spain |
| LGS | SAMM | Malargue International Airport, Argentina |
| MLE | VRMM | Male International Airport, Maldives |
| KAN | DNKN | Mallam Aminu Kano Airport see Kano - Mallam Aminu Kano Airport, Nigeria |
| PMI | LEPA | Mallorca Airport see Palma De Mallorca Airport, Spain |
| HEM | EFHF | Malmi Airport see Helsinki - Malmi Airport, Finland |
| MMX | ESMS | Malmo Airport see Malmö - Sturup Airport, Sweden |
| MMX | ESMS | Malmö - Sturup Airport, Sweden |
| MXP | LIMC | Malpensa Airport see Milan - Malpensa Airport, Italy |
| MLA | LMML | Malta Int´l Airport, Malta |
| MDC | WAMM | Manado - Sam Ratulangi Airport, Indonesia |
| MGA | MNMG | Managua International Airport (AIM), Nicaragua |
| BAH | OBBI | Manama Airport see Bahrain International Airport, Bahrain |
| FRU | AAFM | Manas Airport see Bishkek - Manas Int´l Airport, Kyrgyzstan |
| MAO | SBEG | Manaus - Eduardo Gomes Int´l Airport, Brazil |
| MHT | KMHT | Manchester Airport, United States |
| MAN | EGCC | Manchester Airport, United Kingdom |
| MDL | VYMD | Mandalay International Airport, Myanmar |
| MNL | RPLL | Manila - Ninoy Aquino Int´l Airport, Philippines |
| ZCO | SCTC | Manquehue see Temuco Airport - Manquehue, Chile |
| MSE | EGMH | Manston Airport see Kent International Airport, United Kingdom |
| MID | MMMD | Manuel Cresciendo Rejon Airport see Merida - Licenciado Manuel Crecencio Rejon Int´l Airport, Mexico |
| LAP | MMLP | Manuel de Leon Airport see La Paz-Manuel de Leon Airport, Mexico |
| MZO | MUMZ | Manzanillo-Sierra Maestra Int´l Airport, Carib,Cuba |
| MTS | FDMS | Manzini - Matsapha Airport, Swaziland |
| MPM | FQMA | Maputo International Airport, Mozambique |
| MDQ | SAZM | Mar Del Plata International Airport, Argentina |
| MAR | SVMC | Maracaibo-La Chinita Airport, Venezuela |
| MTH | KMTH | Marathon Airport, United States |
| CHR | LFLX | Marcel Dassault Airport see Châteauroux/Déols-Marcel Dassault Airport, France |
| RDZ | LFCR | Marcillac Airport see Rodez-Marcillac Aeroport, France |
| VCE | LIPZ | Marco Polo Airport see Venice - Aeroporto Marco Polo, Italy |
| BLQ | LIPE | G Marconi Airport see Bologna - G Marconi Airport, Italy |
| CGB | SBCY | Marechal Rondon see Cuiaba - Marechal Rondon International Airport, Brazil |
| | | Maria Montez see Barahona - Aeropuerto Internacional Maria Montez, Carib,Dominican Republic |
| MBX | LJMB | Maribor Aerodrom, Slovenia |
| MHQ | EFMA | Mariehamn Airport, Finland |
| UIO | SEQU | Mariscal Sucre Airport see Quito - Mariscal Sucre Airport, Ecuador |
| MVR | FKKL | Maroua-Salak Airport, Cameroon |
| RAK | GMMX | Marrakech - Menara Airport, Morocco |
| MRS | LFML | Marseille/Provence Airport, France |
| FDF | TFFF | Martinique Aime Cesaine, Carib,Martinique |
| MSU | FXMM | Maseru-Moshoeshoe 1 Airport, Lesotho |
| MCW | KMCW | Mason City Municipal Airport, United States |
| SLM | LESA | Matacan see Salamanca Airport, Spain |
| MAM | MMMA | Matamoros - General Servando Canales International Airport, Mexico |
| | SCIP | Mataveri see Isla de Pascua Airport - Mataveri, Chile |
| PEI | SKPE | Matecana Airport see Pereira - Matecana Airport, Colombia |
| MHR | KMHR | Mather see Sacramento Mather Airport, United States |
| SJT | KSJT | Mathis Field Airport see San Angelo Regional/Mathis Field Airport, United States |
| MMJ | RJAF | Matsumoto Airport, Japan |
| MYJ | RJOM | Matsuyama Airport, Japan |
| OGG | PHOG | Maui see Kahului Airport, United States |
| MUB | FBMN | Maun Airport, Botswana |
| CER | LFRC | Maupertus Airport see Cherbourg-Maupertus Aeroport, France |
| AVI | MUCA | Maximo Gomez see Ciego de Avila-Maximo Gomez Int´l Airport, Carib,Cuba |
| BVZ | FCBB | Maya Maya Airport see Brazzaville - Maya Maya Airport, Congo PR |
| MZR | OAMS | Mazar I Sharif Airport, Afghanistan |
| MZT | MMMZ | Mazatlan - General Rafael Buelna International Airport, Mexico |
| MDK | FZEA | Mbandaka Airport, Congo DR |
| MES | WIMM | Medan - Polonia Airport, Indonesia |
| MDE | SKRG | Medellin - Jose Maria Cordova Airport, Colombia |
| MPL | LFMT | Mediterranée Airport see Montpellier - Mediterranée Aéroport, France |
| | VOSM | Meenabakkam Airport, India |
| MAA | VOMM | Meenambakam Airport see Chennai/Madras - Meenambakam Airport, India |
| KVA | LGKV | Megas Alexandros Int´l Airport see Kavala - Megas Alexandros Int´l Airport, Greece |
| THR | OIII | Mehrabad Airport see Tehran - Mehrabad Airport, Iran |
| HAK | ZJHK | Meilan see Haikou Meilan International Airport, China PRC |
| MKZ | WMKM | Melaka - Batu Berendam Airport, Malaysia |
| MLB | KMLB | Melbourne Int´l Airport, United States |
| MEL | YMML | Melbourne - Tullamarine Airport, Australia |
| MLN | GEML | Melilla Airport, Spain |
| MLZ | SUMO | Melo - Aeropuerto Int´l de Cerro Largo, Uruguay |
| DOM | TDPD | Melville Hall Airport, Carib,Dominica |
| FMM | EDJA | Memmingen - Allgäu Airport, Germany |
| MEM | KMEM | Memphis International Airport, United States |
| RAK | GMMX | Menara Airport see Marrakech - Menara Airport, Morocco |
| MDZ | SAME | Mendoza - El Plumerillo Airport, Argentina |
| MAH | LEMH | Menorca Airport, Spain |
| PSE | TJPS | Mercedita Airport, Carib,Puerto Rico |
| BLF | KBLF | Mercer Airport see Bluefield - Mercer County Airport, United States |
| TTN | KTTN | Mercer County Airport see Trenton - Mercer County Airport, United States |
| MID | MMMD | Merida - Licenciado Manuel Crecencio Rejon Int´l Airport, Mexico |
| MEI | KJYD | Meridian Regional-Key Field Airport, United States |
| BOD | LFBD | Merignac Airport see Bordeaux/Merignac Airport, France |
| DTW | KDTW | Metropolitan Wayne County Airport see Detroit Metropolitan Wayne County Airport, United States |
| ETZ | LFJL | Metz/Nancy/Lorraine Airport, France |
| MEX | MMMX | Mexico City International Airport - Benito Juárez, Mexico |
| MFU | FLMF | Mfuwe Airport, Zambia |
| MIA | KMIA | Miami International Airport, United States |
| HFA | LLHA | U Michaeli Airport see Haifa - U Michaeli Airport, Israel |
| SBN | KSBN | Michiana Regional Airport see South Bend Regional Airport, United States |
| ICT | KICT | Mid-Continent Airport see Wichita Mid-Continent Airport, United States |
| BLV | KBLV | MidAmerica St Louis Airport, United States |
| MAF | KMAF | Midland International Airport, United States |
| MDW | KMDW | Midway Airport see Chicago Midway Airport, United States |
| CND | LRCK | Mihail Kogalniceanu Airport see Constanta - Mihail Kogalniceanu Airport, Romania |
| MIK | EFMI | Mikkeli City Airport, Finland |
| LIN | LIML | Milan - Linate Airport, Italy |
| MXP | LIMC | Milan - Malpensa Airport, Italy |
| BGY | LIME | Milan - Orio Al Serio Airport, Italy |
| MKE | KMKE | Milwaukee - General Mitchell Int´l Airport, United States |
| PDG | WIPT | Minangkabau see Padang - Minangkabau International Airport, Indonesia |
| EZE | SAEZ | Ministro Pistarini Airport see Buenos Aires - Aeropuerto Ministro Pistarini Int´l Ezeiza, Argentina |
| NVT | SBNF | Ministro Victor Konder see Navegantes - Ministro Victor Konder Airport, Brazil |
| MSP | KMSP | Minneapolis-St Paul Int´l Airport, United States |
| MOT | KMOT | Minot International Airport, United States |
| MSQ | UMMS | Minsk International Airport, Belarus |
| YMX | CYMX | Mirabel Airport see Montréal - Mirabel International Airport, Canada |
| RMI | LIPR | Miramare Airport see Rimini - Federico Fellini International Airport, Italy |
| EPL | LFSG | Mirecourt Airport see Epinal/Mirecourt Airport, France |
| MYY | WBGR | Miri Airport, Malaysia |
| MSJ | RJSM | Misawa Airport, Japan |
| MSO | KMSO | Missoula Int´l - Johnson-Bell Field Airport, United States |
| MJT | LGMT | Mitilini Airport, Greece |
| KMI | RJFM | Miyazaki Airport, Japan |
| MBD | FAMM | Mmabatho International Airport, South Africa |
| BFM | KBFM | Mobile Downtown Airport, United States |
| MOB | KMOB | Mobile Regional Airport, United States |
| MOD | KMOD | Modesto City County Airport, United States |
| MGQ | HCMM | Mogadishu International Airport, Somalia |
| CMN | GMMN | Mohammed V Airport see Casablanca - Mohammed V Airport, Morocco |
| MBA | HKMO | Moi Int´l Airport see Mombasa - Moi Int´l Airport, Kenya |
| OZH | UKDE | Mokraya see Zaporizhzya International Airport, Ukraine |
| MOL | ENML | Molde Airport, Norway |
| MLI | KMLI | Moline - Quad City International Airport, United States |
| MBA | HKMO | Mombasa - Moi Int´l Airport, Kenya |
| MCM | LNMC | Monaco Heliport, Monaco |
| MIR | DTMB | Monastir - Habib Bourguiba International Airport, Tunisia |
| MGL | EDLN | Mönchengladbach Airport see Düsseldorf - Mönchengladbach Airport, Germany |
| YQM | CYQM | Moncton Airport see Greater Moncton International Airport, Canada |
| ROB | GLRB | Monrovia - Roberts International Airport, Liberia |
| ROB | GLRB | Monrovia - Spriggs Payne Airport, Liberia |
| MBJ | MKJS | Montego Bay - Sangster International Airport, Carib,Jamaica |
| MTY | MMMY | Monterrey Airport, Mexico |
| MUD | SUMU | Montevideo - Carrasco International Airport, Uruguay |
| VBS | LIPO | Montichiari see Brescia - Montichiari Airport, Italy |
| SNR | LFRZ | Montoir Airport see St Nazaire - Montoir Aeroport, France |
| MPL | LFMT | Montpellier - Mediterranée Aéroport, France |
| YMX | CYMX | Montréal - Mirabel International Airport, Canada |
| YUL | CYUL | Montreal - Pierre Elliot Trudeau International Airport, Canada |
| MBW | YMMB | Moorabbin Airport, Australia |
| MOZ | NTTM | Moorea Airport, Pac.Is, French Polynesia |
| MXX | ESKM | Mora - Siljan Airport, Sweden |
| MGW | KMGW | Morgantown Municipal - Walter L Bill Hart Airpor, United States |
| HAH | FMCH | Moroni - Prince Said Ibrahim International Airport, Comoros |
| BKA | UUBB | Moscow - Bykovo Airport, Russia |
| DME | UUDD | Moscow - Domodedovo Airport, Russia |
| | UUWM | Moscow - Myachkovo Cargo Airport, Russia |
| SVO | UUEE | Moscow - Sheremetyevo Airport, Russia |
| VKO | UUWW | Moscow - Vnukovo Airport, Russia |
| MSU | FXMM | Moshoeshoe Airport see Maseru-Moshoeshoe 1 Airport, Lesotho |
| OSR | LKMT | Mosnov Airport see Ostrava Int´l Airport, Czech Republic |
| OMO | LQMO | Mostar Airport OMO/LQMO, Bosnia-Herzegovina |
| OSB | ORBM | Mosul International Airport, Iraq |
| TIA | LATI | Mother Teresa Airport see Tirana International Airport, Albania |
| ISA | YBMA | Mount Isa Airport, Australia |
| SZG | LOWS | W A Mozart Airport see Salzburg Airport - W A Mozart, Austria |
| BGF | FEEF | M´Poko Airport see Bangui-M´Poko Airport, Central African Republic |
| ESS | EDLE | Mulheim Airport see Essen/Mülheim Airport, Germany |
| MLH | LFSB | Mulhouse Airport see Basel/Mulhouse Airport, France |
| BSL | LFSB | Mulhouse Airport see Basel/Mulhouse Airport, Switzerland |
| MUX | OPMT | Multan International Airport, Pakistan |
| BOM | VABB | Mumbai/Bombay - Chhatarpati Shivaji International Airport, India |
| MUC | EDDM | Munich International Airport, Germany |
| MSR | EDDG | Münster-Osnabrück International Airport, Germany |
| MSR | EDDG | Münsto/Osnabrück see Münster-Osnabrück International Airport, Germany |
| MJV | LELC | Murcia - San Javier Airport, Spain |
| MMK | ULMM | Murmansk Airport, Russia |
| LOS | DNMM | Murtala Muhammed Airport see Lagos - Murtala Muhammed Airport, Nigeria |
| MCT | OOMS | Muscat-Seeb International Airport, Oman |
| MVB | FOON | Mvengue Airport see Franceville - Mvengue Airport, Gabon |
| | UUWM | Myachkovo see Moscow - Myachkovo Cargo Airport, Russia |
| NLV | UKON | Mykolaiv see Nikolaev - Mykolaiv International Airport, Ukraine |
| JMK | LGMK | Mykonos National Airport, Greece |
| MYR | KMYR | Myrtle Beach International Airport, United States |
| ZZU | FWUU | Mzuzu Airport, Malawi |
