| Abbreviation | Definition |
|---|---|
| MDY | Midway Island, Pacific Ocean USA |
| MDZ | Mendoza, Mendoza, Argentina |
| MEA | Macae, Rio de Janeiro, Brazil |
| MEB | Essendon Airport, Melbourne, Victoria, Australia |
| MEC | Mantra, Ecuador |
| MED | Madinah, Saudi Arabia |
| MEE | Mare, Loyalty Islands |
| MEF | Melfi, Chad |
| MEG | Malange, Angola |
| MEH | Mehamn, Norway |
| MEI | Meridian, Mississippi USA |
| MEJ | Meadville, Pennsylvania USA |
| MEL | Melbourne, Victoria, Australia |
| MEM | Memphis International Airport, Memphis, Tennessee USA |
| MEN | Mende, France |
| MEO | Dare County Regional Airport, Manteo, North Carolina USA |
| MER | Castle Air Force Base, Merced, California USA (now closed) |
| MES | Medan, Indonesia |
| MET | Moreton, Queensland, Australia |
| MEU | Monte Dourado, PA, Brazil |