| Key Largo to Menen | 4,617.61 mi (7,431.33 km) |
| Key Largo to Merchtem | 4,662.46 mi (7,503.50 km) |
| Key Largo to Merelbeke | 4,641.43 mi (7,469.67 km) |
| Key Largo to Merksem | 4,667.10 mi (7,510.96 km) |
| Key Largo to Merksplas | 4,683.12 mi (7,536.75 km) |
| Key Largo to Mettet | 4,690.53 mi (7,548.69 km) |
| Key Largo to Meulebeke | 4,622.46 mi (7,439.13 km) |
| Key Largo to Middelkerke | 4,599.28 mi (7,401.83 km) |
| Key Largo to Mol | 4,696.50 mi (7,558.29 km) |
| Key Largo to Mons | 4,658.16 mi (7,496.58 km) |
| Key Largo to Montignies-le-Tilleul | 4,677.78 mi (7,528.17 km) |
| Key Largo to Moorslede | 4,613.75 mi (7,425.11 km) |
| Key Largo to Moortebeek | 4,668.63 mi (7,513.44 km) |
| Key Largo to Morlanwelz-Mariemont | 4,670.32 mi (7,516.15 km) |
| Key Largo to Mortsel | 4,669.32 mi (7,514.54 km) |
