| Key Biscayne to Massarosa | 5,033.90 mi (8,101.28 km) |
| Key Biscayne to Matelica | 5,174.19 mi (8,327.05 km) |
| Key Biscayne to Matera | 5,413.26 mi (8,711.81 km) |
| Key Biscayne to Matino | 5,504.88 mi (8,859.24 km) |
| Key Biscayne to Mazzarino | 5,388.34 mi (8,671.70 km) |
| Key Biscayne to Meda | 4,939.65 mi (7,949.60 km) |
| Key Biscayne to Medesano | 5,004.45 mi (8,053.89 km) |
| Key Biscayne to Medicina | 5,080.13 mi (8,175.69 km) |
| Key Biscayne to Meldola | 5,107.83 mi (8,220.26 km) |
| Key Biscayne to Melegnano | 4,953.54 mi (7,971.95 km) |
| Key Biscayne to Melendugno | 5,507.63 mi (8,863.67 km) |
| Key Biscayne to Melfi | 5,358.53 mi (8,623.73 km) |
| Key Biscayne to Melilli | 5,437.79 mi (8,751.28 km) |
| Key Biscayne to Melito di Napoli | 5,292.71 mi (8,517.79 km) |
| Key Biscayne to Melito di Porto Salvo | 5,450.65 mi (8,771.97 km) |
