| Key Biscayne to Marly-le-Roi | 4,561.81 mi (7,341.52 km) |
| Key Biscayne to Marmande | 4,538.14 mi (7,303.43 km) |
| Key Biscayne to Maromme | 4,506.62 mi (7,252.71 km) |
| Key Biscayne to Marquette-les-Lille | 4,577.81 mi (7,367.27 km) |
| Key Biscayne to Marseille | 4,809.84 mi (7,740.69 km) |
| Key Biscayne to Martigues | 4,792.17 mi (7,712.25 km) |
| Key Biscayne to Massy | 4,571.69 mi (7,357.42 km) |
| Key Biscayne to Maubeuge | 4,622.73 mi (7,439.56 km) |
| Key Biscayne to Mauguio | 4,738.05 mi (7,625.16 km) |
| Key Biscayne to Mauleon | 4,460.05 mi (7,177.76 km) |
| Key Biscayne to Maurepas | 4,556.72 mi (7,333.33 km) |
| Key Biscayne to Maxeville | 4,744.30 mi (7,635.21 km) |
| Key Biscayne to Mayenne | 4,448.23 mi (7,158.73 km) |
| Key Biscayne to Mazamet | 4,661.32 mi (7,501.67 km) |
| Key Biscayne to Meaux | 4,595.62 mi (7,395.93 km) |
