| Pen-y-Bont ar Ogwr to Mombris | 564.79 mi (908.94 km) |
| Pen-y-Bont ar Ogwr to Monchengladbach | 432.18 mi (695.53 km) |
| Pen-y-Bont ar Ogwr to Monschau | 431.97 mi (695.18 km) |
| Pen-y-Bont ar Ogwr to Montabaur | 501.12 mi (806.47 km) |
| Pen-y-Bont ar Ogwr to Moosburg | 718.82 mi (1,156.83 km) |
| Pen-y-Bont ar Ogwr to Morbach | 482.28 mi (776.16 km) |
| Pen-y-Bont ar Ogwr to Morfelden-Walldorf | 541.05 mi (870.73 km) |
| Pen-y-Bont ar Ogwr to Morlenbach | 555.74 mi (894.38 km) |
| Pen-y-Bont ar Ogwr to Morsbach | 490.65 mi (789.63 km) |
| Pen-y-Bont ar Ogwr to Mosbach | 578.70 mi (931.33 km) |
| Pen-y-Bont ar Ogwr to Mosigkau | 676.59 mi (1,088.86 km) |
| Pen-y-Bont ar Ogwr to Mossingen | 600.21 mi (965.94 km) |
| Pen-y-Bont ar Ogwr to Much | 476.47 mi (766.81 km) |
| Pen-y-Bont ar Ogwr to Mucheln | 661.78 mi (1,065.04 km) |
| Pen-y-Bont ar Ogwr to Muhlacker | 575.78 mi (926.62 km) |
