| Portage to Menen | 4,002.19 mi (6,440.91 km) |
| Portage to Merchtem | 4,038.64 mi (6,499.56 km) |
| Portage to Merelbeke | 4,019.21 mi (6,468.29 km) |
| Portage to Merksem | 4,037.06 mi (6,497.02 km) |
| Portage to Merksplas | 4,048.78 mi (6,515.88 km) |
| Portage to Mettet | 4,077.04 mi (6,561.36 km) |
| Portage to Meulebeke | 4,003.32 mi (6,442.71 km) |
| Portage to Middelkerke | 3,977.69 mi (6,401.48 km) |
| Portage to Mol | 4,064.47 mi (6,541.13 km) |
| Portage to Mons | 4,045.55 mi (6,510.68 km) |
| Portage to Montignies-le-Tilleul | 4,064.38 mi (6,541.00 km) |
| Portage to Moorslede | 3,996.76 mi (6,432.17 km) |
| Portage to Moortebeek | 4,046.46 mi (6,512.14 km) |
| Portage to Morlanwelz-Mariemont | 4,056.36 mi (6,528.08 km) |
| Portage to Mortsel | 4,040.61 mi (6,502.74 km) |
