| Pen-y-Bont ar Ogwr to Menen | 294.40 mi (473.80 km) |
| Pen-y-Bont ar Ogwr to Merchtem | 339.82 mi (546.89 km) |
| Pen-y-Bont ar Ogwr to Merelbeke | 318.70 mi (512.90 km) |
| Pen-y-Bont ar Ogwr to Merksem | 346.20 mi (557.15 km) |
| Pen-y-Bont ar Ogwr to Merksplas | 363.67 mi (585.27 km) |
| Pen-y-Bont ar Ogwr to Mettet | 367.81 mi (591.93 km) |
| Pen-y-Bont ar Ogwr to Meulebeke | 299.42 mi (481.87 km) |
| Pen-y-Bont ar Ogwr to Middelkerke | 276.91 mi (445.64 km) |
| Pen-y-Bont ar Ogwr to Mol | 375.70 mi (604.64 km) |
| Pen-y-Bont ar Ogwr to Mons | 335.38 mi (539.75 km) |
| Pen-y-Bont ar Ogwr to Montignies-le-Tilleul | 355.00 mi (571.31 km) |
| Pen-y-Bont ar Ogwr to Moorslede | 290.57 mi (467.62 km) |
| Pen-y-Bont ar Ogwr to Moortebeek | 345.68 mi (556.31 km) |
| Pen-y-Bont ar Ogwr to Morlanwelz-Mariemont | 347.40 mi (559.09 km) |
| Pen-y-Bont ar Ogwr to Mortsel | 347.89 mi (559.87 km) |
