| Olpe to Menen | 205.82 mi (331.23 km) |
| Olpe to Merchtem | 156.59 mi (252.00 km) |
| Olpe to Merelbeke | 177.50 mi (285.66 km) |
| Olpe to Merksem | 147.89 mi (238.00 km) |
| Olpe to Merksplas | 130.71 mi (210.35 km) |
| Olpe to Mettet | 147.20 mi (236.89 km) |
| Olpe to Meulebeke | 197.78 mi (318.30 km) |
| Olpe to Middelkerke | 217.82 mi (350.54 km) |
| Olpe to Mol | 118.42 mi (190.58 km) |
| Olpe to Mons | 174.25 mi (280.44 km) |
| Olpe to Montignies-le-Tilleul | 157.18 mi (252.95 km) |
| Olpe to Moorslede | 207.78 mi (334.40 km) |
| Olpe to Moortebeek | 152.56 mi (245.53 km) |
| Olpe to Morlanwelz-Mariemont | 162.21 mi (261.05 km) |
| Olpe to Mortsel | 146.45 mi (235.69 km) |
