| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| MCM (Monaco Heliport) | airport | 43.73 | 7.42 | 20 | 0 | ||
| MCMINN | airport | United States | 39.53 | -85.32 | 1065 | 0 | |
| MCMINN | airport | United States | 33.74 | -85.83 | 680 | 0 | |
| MCMURDO STATION | airport | Antarctica | -77.87 | 167.06 | 68 | 0 | |
| MCMURDO STATION ICE RUNWAY | airport | Antarctica | -77.85 | 166.47 | 1 | 0 | |
| MCMURDO STATION PEGASUS FIELD | airport | Antarctica | -77.96 | 166.52 | 18 | 0 | |
| MCMWTC | airport | United States | 38.36 | -119.52 | 6762 | 0 |