| Olney to Menen | 3,804.41 mi (6,122.60 km) |
| Olney to Merchtem | 3,845.16 mi (6,188.19 km) |
| Olney to Merelbeke | 3,824.77 mi (6,155.37 km) |
| Olney to Merksem | 3,846.47 mi (6,190.29 km) |
| Olney to Merksplas | 3,860.34 mi (6,212.61 km) |
| Olney to Mettet | 3,879.20 mi (6,242.97 km) |
| Olney to Meulebeke | 3,807.27 mi (6,127.21 km) |
| Olney to Middelkerke | 3,782.49 mi (6,087.33 km) |
| Olney to Mol | 3,875.11 mi (6,236.39 km) |
| Olney to Mons | 3,846.95 mi (6,191.07 km) |
| Olney to Montignies-le-Tilleul | 3,866.36 mi (6,222.31 km) |
| Olney to Moorslede | 3,799.64 mi (6,114.93 km) |
| Olney to Moortebeek | 3,852.30 mi (6,199.68 km) |
| Olney to Morlanwelz-Mariemont | 3,858.51 mi (6,209.67 km) |
| Olney to Mortsel | 3,849.44 mi (6,195.07 km) |
