| Catonsville to Menen | 3,785.71 mi (6,092.51 km) |
| Catonsville to Merchtem | 3,826.51 mi (6,158.17 km) |
| Catonsville to Merelbeke | 3,806.11 mi (6,125.34 km) |
| Catonsville to Merksem | 3,827.85 mi (6,160.33 km) |
| Catonsville to Merksplas | 3,841.74 mi (6,182.69 km) |
| Catonsville to Mettet | 3,860.49 mi (6,212.87 km) |
| Catonsville to Meulebeke | 3,788.59 mi (6,097.15 km) |
| Catonsville to Middelkerke | 3,763.83 mi (6,057.29 km) |
| Catonsville to Mol | 3,856.51 mi (6,206.45 km) |
| Catonsville to Mons | 3,828.24 mi (6,160.96 km) |
| Catonsville to Montignies-le-Tilleul | 3,847.65 mi (6,192.20 km) |
| Catonsville to Moorslede | 3,780.95 mi (6,084.85 km) |
| Catonsville to Moortebeek | 3,833.64 mi (6,169.64 km) |
| Catonsville to Morlanwelz-Mariemont | 3,839.80 mi (6,179.56 km) |
| Catonsville to Mortsel | 3,830.81 mi (6,165.10 km) |
