| Castricum to Menen | 138.11 mi (222.26 km) |
| Castricum to Merchtem | 110.95 mi (178.56 km) |
| Castricum to Merelbeke | 114.04 mi (183.53 km) |
| Castricum to Merksem | 90.83 mi (146.17 km) |
| Castricum to Merksplas | 82.20 mi (132.29 km) |
| Castricum to Mettet | 154.13 mi (248.05 km) |
| Castricum to Meulebeke | 125.33 mi (201.70 km) |
| Castricum to Middelkerke | 122.92 mi (197.82 km) |
| Castricum to Mol | 96.36 mi (155.08 km) |
| Castricum to Mons | 148.33 mi (238.72 km) |
| Castricum to Montignies-le-Tilleul | 150.20 mi (241.72 km) |
| Castricum to Moorslede | 133.63 mi (215.05 km) |
| Castricum to Moortebeek | 117.97 mi (189.86 km) |
| Castricum to Morlanwelz-Mariemont | 146.29 mi (235.43 km) |
| Castricum to Mortsel | 95.96 mi (154.43 km) |
