| Key Biscayne to Mancha Real | 4,453.33 mi (7,166.94 km) |
| Key Biscayne to Manilva | 4,388.48 mi (7,062.58 km) |
| Key Biscayne to Manises | 4,590.04 mi (7,386.96 km) |
| Key Biscayne to Manlleu | 4,683.50 mi (7,537.36 km) |
| Key Biscayne to Manresa | 4,665.86 mi (7,508.98 km) |
| Key Biscayne to Manzanares | 4,446.39 mi (7,155.78 km) |
| Key Biscayne to Manzanares el Real | 4,394.75 mi (7,072.67 km) |
| Key Biscayne to Maracena | 4,461.93 mi (7,180.78 km) |
| Key Biscayne to Marbella | 4,406.12 mi (7,090.96 km) |
| Key Biscayne to Marchena | 4,364.43 mi (7,023.87 km) |
| Key Biscayne to Marin | 4,128.02 mi (6,643.41 km) |
| Key Biscayne to Marratxi | 4,751.47 mi (7,646.75 km) |
| Key Biscayne to Martorell | 4,675.46 mi (7,524.43 km) |
| Key Biscayne to Martos | 4,435.66 mi (7,138.50 km) |
| Key Biscayne to Masamagrell | 4,594.71 mi (7,394.46 km) |
