| Key West to Menen | 4,704.15 mi (7,570.60 km) |
| Key West to Merchtem | 4,748.78 mi (7,642.42 km) |
| Key West to Merelbeke | 4,727.78 mi (7,608.62 km) |
| Key West to Merksem | 4,753.21 mi (7,649.55 km) |
| Key West to Merksplas | 4,769.10 mi (7,675.13 km) |
| Key West to Mettet | 4,777.25 mi (7,688.23 km) |
| Key West to Meulebeke | 4,708.88 mi (7,578.22 km) |
| Key West to Middelkerke | 4,685.58 mi (7,540.72 km) |
| Key West to Mol | 4,782.59 mi (7,696.83 km) |
| Key West to Mons | 4,744.85 mi (7,636.11 km) |
| Key West to Montignies-le-Tilleul | 4,764.48 mi (7,667.69 km) |
| Key West to Moorslede | 4,700.23 mi (7,564.29 km) |
| Key West to Moortebeek | 4,755.02 mi (7,652.46 km) |
| Key West to Morlanwelz-Mariemont | 4,756.98 mi (7,655.63 km) |
| Key West to Mortsel | 4,755.48 mi (7,653.20 km) |
