| Longwy to Menen | 146.33 mi (235.50 km) |
| Longwy to Merchtem | 120.62 mi (194.12 km) |
| Longwy to Merelbeke | 135.45 mi (217.98 km) |
| Longwy to Merksem | 132.48 mi (213.21 km) |
| Longwy to Merksplas | 133.54 mi (214.91 km) |
| Longwy to Mettet | 73.91 mi (118.94 km) |
| Longwy to Meulebeke | 147.34 mi (237.12 km) |
| Longwy to Middelkerke | 173.32 mi (278.94 km) |
| Longwy to Mol | 118.40 mi (190.54 km) |
| Longwy to Mons | 102.96 mi (165.70 km) |
| Longwy to Montignies-le-Tilleul | 85.49 mi (137.59 km) |
| Longwy to Moorslede | 152.32 mi (245.13 km) |
| Longwy to Moortebeek | 111.64 mi (179.67 km) |
| Longwy to Morlanwelz-Mariemont | 93.46 mi (150.41 km) |
| Longwy to Mortsel | 127.29 mi (204.86 km) |
