| Grez-Doiceau to Merchtem | 25.97 mi (41.80 km) |
| Grez-Doiceau to Merelbeke | 45.34 mi (72.97 km) |
| Grez-Doiceau to Merksem | 36.96 mi (59.48 km) |
| Grez-Doiceau to Merksplas | 44.36 mi (71.39 km) |
| Grez-Doiceau to Mettet | 28.67 mi (46.15 km) |
| Grez-Doiceau to Meulebeke | 63.44 mi (102.10 km) |
| Grez-Doiceau to Middelkerke | 87.59 mi (140.96 km) |
| Grez-Doiceau to Mol | 35.99 mi (57.93 km) |
| Grez-Doiceau to Mons | 38.28 mi (61.61 km) |
| Grez-Doiceau to Montignies-le-Tilleul | 27.89 mi (44.89 km) |
| Grez-Doiceau to Moorslede | 72.30 mi (116.35 km) |
| Grez-Doiceau to Moortebeek | 17.87 mi (28.77 km) |
| Grez-Doiceau to Morlanwelz-Mariemont | 28.32 mi (45.58 km) |
| Grez-Doiceau to Mortsel | 31.62 mi (50.89 km) |
| Grez-Doiceau to Mouscron | 64.87 mi (104.39 km) |
