| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| MRB (EASTERN WV RGNL SHEPHERD FLD) | airport | United States | 39.40 | -77.98 | 557 | 0 | |
| MRC (MAURY CO) | airport | United States | 35.55 | -87.18 | 681 | 0 | |
| MRF (MARFA MUNI) | airport | United States | 30.37 | -104.02 | 4849 | 0 | |
| MRI (MERRILL FLD) | airport | United States | 61.21 | -149.84 | 137 | 0 | |
| MRK (MARCO ISLAND) | airport | United States | 26.00 | -81.67 | 5 | 0 | |
| MRN (FOOTHILLS RGNL) | airport | United States | 35.82 | -81.61 | 1270 | 0 | |
| MRS BOZMAN | airport | United States | 39.55 | -76.56 | 620 | 0 | |
| MRY (MONTEREY PENINSULA) | airport | United States | 36.59 | -121.84 | 257 | 0 |