| Opelika to Menen | 4,449.41 mi (7,160.63 km) |
| Opelika to Merchtem | 4,490.22 mi (7,226.31 km) |
| Opelika to Merelbeke | 4,469.82 mi (7,193.48 km) |
| Opelika to Merksem | 4,491.54 mi (7,228.44 km) |
| Opelika to Merksplas | 4,505.40 mi (7,250.75 km) |
| Opelika to Mettet | 4,524.19 mi (7,280.98 km) |
| Opelika to Meulebeke | 4,452.30 mi (7,165.29 km) |
| Opelika to Middelkerke | 4,427.54 mi (7,125.44 km) |
| Opelika to Mol | 4,520.18 mi (7,274.53 km) |
| Opelika to Mons | 4,491.93 mi (7,229.06 km) |
| Opelika to Montignies-le-Tilleul | 4,511.35 mi (7,260.31 km) |
| Opelika to Moorslede | 4,444.66 mi (7,152.98 km) |
| Opelika to Moortebeek | 4,497.35 mi (7,237.78 km) |
| Opelika to Morlanwelz-Mariemont | 4,503.50 mi (7,247.68 km) |
| Opelika to Mortsel | 4,494.51 mi (7,233.21 km) |
