| Port-de-Bouc to Menen | 518.09 mi (833.78 km) |
| Port-de-Bouc to Merchtem | 523.66 mi (842.75 km) |
| Port-de-Bouc to Merelbeke | 527.95 mi (849.66 km) |
| Port-de-Bouc to Merksem | 542.14 mi (872.49 km) |
| Port-de-Bouc to Merksplas | 550.13 mi (885.35 km) |
| Port-de-Bouc to Mettet | 477.98 mi (769.24 km) |
| Port-de-Bouc to Meulebeke | 527.34 mi (848.67 km) |
| Port-de-Bouc to Middelkerke | 546.99 mi (880.29 km) |
| Port-de-Bouc to Mol | 537.46 mi (864.96 km) |
| Port-de-Bouc to Mons | 489.21 mi (787.31 km) |
| Port-de-Bouc to Montignies-le-Tilleul | 483.00 mi (777.31 km) |
| Port-de-Bouc to Moorslede | 525.01 mi (844.93 km) |
| Port-de-Bouc to Moortebeek | 515.62 mi (829.82 km) |
| Port-de-Bouc to Morlanwelz-Mariemont | 488.06 mi (785.45 km) |
| Port-de-Bouc to Mortsel | 536.84 mi (863.95 km) |
