| Mountain Ash to Menen | 287.69 mi (463.00 km) |
| Mountain Ash to Merchtem | 332.22 mi (534.66 km) |
| Mountain Ash to Merelbeke | 311.16 mi (500.76 km) |
| Mountain Ash to Merksem | 337.85 mi (543.72 km) |
| Mountain Ash to Merksplas | 354.96 mi (571.25 km) |
| Mountain Ash to Mettet | 361.66 mi (582.04 km) |
| Mountain Ash to Meulebeke | 292.18 mi (470.21 km) |
| Mountain Ash to Middelkerke | 269.11 mi (433.09 km) |
| Mountain Ash to Mol | 367.37 mi (591.22 km) |
| Mountain Ash to Mons | 329.25 mi (529.88 km) |
| Mountain Ash to Montignies-le-Tilleul | 348.82 mi (561.38 km) |
| Mountain Ash to Moorslede | 283.59 mi (456.40 km) |
| Mountain Ash to Moortebeek | 338.33 mi (544.49 km) |
| Mountain Ash to Morlanwelz-Mariemont | 341.13 mi (549.00 km) |
| Mountain Ash to Mortsel | 339.73 mi (546.73 km) |
