| Ciechanow to Menen | 759.28 mi (1,221.94 km) |
| Ciechanow to Merchtem | 709.50 mi (1,141.83 km) |
| Ciechanow to Merelbeke | 728.95 mi (1,173.13 km) |
| Ciechanow to Merksem | 695.48 mi (1,119.26 km) |
| Ciechanow to Merksplas | 675.50 mi (1,087.11 km) |
| Ciechanow to Mettet | 706.36 mi (1,136.77 km) |
| Ciechanow to Meulebeke | 749.24 mi (1,205.78 km) |
| Ciechanow to Middelkerke | 764.17 mi (1,229.81 km) |
| Ciechanow to Mol | 668.48 mi (1,075.81 km) |
| Ciechanow to Mons | 732.50 mi (1,178.84 km) |
| Ciechanow to Montignies-le-Tilleul | 716.12 mi (1,152.49 km) |
| Ciechanow to Moorslede | 759.77 mi (1,222.73 km) |
| Ciechanow to Moortebeek | 707.43 mi (1,138.50 km) |
| Ciechanow to Morlanwelz-Mariemont | 720.76 mi (1,159.96 km) |
| Ciechanow to Mortsel | 695.86 mi (1,119.87 km) |
