| Pen-y-Bont ar Ogwr to Mengen | 622.43 mi (1,001.71 km) |
| Pen-y-Bont ar Ogwr to Meppen | 468.15 mi (753.42 km) |
| Pen-y-Bont ar Ogwr to Merchweiler | 490.61 mi (789.57 km) |
| Pen-y-Bont ar Ogwr to Mering | 684.59 mi (1,101.74 km) |
| Pen-y-Bont ar Ogwr to Merseburg | 669.58 mi (1,077.58 km) |
| Pen-y-Bont ar Ogwr to Merzenich | 439.97 mi (708.07 km) |
| Pen-y-Bont ar Ogwr to Merzig | 469.80 mi (756.07 km) |
| Pen-y-Bont ar Ogwr to Meschede | 510.55 mi (821.64 km) |
| Pen-y-Bont ar Ogwr to Messkirch | 615.36 mi (990.32 km) |
| Pen-y-Bont ar Ogwr to Messstetten | 603.22 mi (970.79 km) |
| Pen-y-Bont ar Ogwr to Mettingen | 486.85 mi (783.51 km) |
| Pen-y-Bont ar Ogwr to Mettlach | 467.94 mi (753.07 km) |
| Pen-y-Bont ar Ogwr to Mettmann | 454.72 mi (731.80 km) |
| Pen-y-Bont ar Ogwr to Metzingen | 605.85 mi (975.02 km) |
| Pen-y-Bont ar Ogwr to Meuselwitz | 685.65 mi (1,103.44 km) |
