| Olen to Menen | 79.08 mi (127.26 km) |
| Olen to Merchtem | 29.62 mi (47.68 km) |
| Olen to Merelbeke | 48.86 mi (78.64 km) |
| Olen to Merksem | 18.82 mi (30.28 km) |
| Olen to Merksplas | 14.99 mi (24.12 km) |
| Olen to Mettet | 58.02 mi (93.37 km) |
| Olen to Meulebeke | 69.29 mi (111.51 km) |
| Olen to Middelkerke | 88.01 mi (141.64 km) |
| Olen to Mol | 11.78 mi (18.96 km) |
| Olen to Mons | 62.32 mi (100.29 km) |
| Olen to Montignies-le-Tilleul | 56.76 mi (91.35 km) |
| Olen to Moorslede | 79.72 mi (128.29 km) |
| Olen to Moortebeek | 30.18 mi (48.57 km) |
| Olen to Morlanwelz-Mariemont | 55.36 mi (89.09 km) |
| Olen to Mortsel | 16.65 mi (26.80 km) |
