| River Grove to Menen | 4,100.33 mi (6,598.85 km) |
| River Grove to Merchtem | 4,136.13 mi (6,656.46 km) |
| River Grove to Merelbeke | 4,116.86 mi (6,625.45 km) |
| River Grove to Merksem | 4,134.15 mi (6,653.28 km) |
| River Grove to Merksplas | 4,145.55 mi (6,671.62 km) |
| River Grove to Mettet | 4,175.08 mi (6,719.14 km) |
| River Grove to Meulebeke | 4,101.21 mi (6,600.27 km) |
| River Grove to Middelkerke | 4,075.51 mi (6,558.90 km) |
| River Grove to Mol | 4,161.34 mi (6,697.03 km) |
| River Grove to Mons | 4,143.74 mi (6,668.70 km) |
| River Grove to Montignies-le-Tilleul | 4,162.47 mi (6,698.84 km) |
| River Grove to Moorslede | 4,094.82 mi (6,589.97 km) |
| River Grove to Moortebeek | 4,144.03 mi (6,669.18 km) |
| River Grove to Morlanwelz-Mariemont | 4,154.43 mi (6,685.91 km) |
| River Grove to Mortsel | 4,137.78 mi (6,659.12 km) |
