| Castano Primo to Menen | 445.83 mi (717.49 km) |
| Castano Primo to Merchtem | 428.24 mi (689.19 km) |
| Castano Primo to Merelbeke | 441.37 mi (710.31 km) |
| Castano Primo to Merksem | 440.36 mi (708.70 km) |
| Castano Primo to Merksplas | 439.67 mi (707.59 km) |
| Castano Primo to Mettet | 380.36 mi (612.12 km) |
| Castano Primo to Meulebeke | 450.00 mi (724.21 km) |
| Castano Primo to Middelkerke | 475.16 mi (764.69 km) |
| Castano Primo to Mol | 423.62 mi (681.75 km) |
| Castano Primo to Mons | 405.03 mi (651.84 km) |
| Castano Primo to Montignies-le-Tilleul | 390.54 mi (628.51 km) |
| Castano Primo to Moorslede | 452.59 mi (728.37 km) |
| Castano Primo to Moortebeek | 419.24 mi (674.71 km) |
| Castano Primo to Morlanwelz-Mariemont | 398.01 mi (640.53 km) |
| Castano Primo to Mortsel | 435.22 mi (700.42 km) |
