| Boulogne-sur-Mer to Menen | 66.04 mi (106.28 km) |
| Boulogne-sur-Mer to Merchtem | 115.43 mi (185.77 km) |
| Boulogne-sur-Mer to Merelbeke | 95.02 mi (152.91 km) |
| Boulogne-sur-Mer to Merksem | 128.01 mi (206.02 km) |
| Boulogne-sur-Mer to Merksplas | 148.01 mi (238.20 km) |
| Boulogne-sur-Mer to Mettet | 136.56 mi (219.76 km) |
| Boulogne-sur-Mer to Meulebeke | 74.58 mi (120.02 km) |
| Boulogne-sur-Mer to Middelkerke | 61.24 mi (98.56 km) |
| Boulogne-sur-Mer to Mol | 155.64 mi (250.48 km) |
| Boulogne-sur-Mer to Mons | 104.20 mi (167.70 km) |
| Boulogne-sur-Mer to Montignies-le-Tilleul | 123.82 mi (199.27 km) |
| Boulogne-sur-Mer to Moorslede | 64.23 mi (103.38 km) |
| Boulogne-sur-Mer to Moortebeek | 119.30 mi (191.99 km) |
| Boulogne-sur-Mer to Morlanwelz-Mariemont | 116.44 mi (187.39 km) |
| Boulogne-sur-Mer to Mortsel | 127.82 mi (205.70 km) |
