| Pen-y-Bont ar Ogwr to Montijo | 882.66 mi (1,420.51 km) |
| Pen-y-Bont ar Ogwr to Montilla | 963.42 mi (1,550.48 km) |
| Pen-y-Bont ar Ogwr to Montmelo | 740.77 mi (1,192.16 km) |
| Pen-y-Bont ar Ogwr to Montornes del Valles | 741.74 mi (1,193.72 km) |
| Pen-y-Bont ar Ogwr to Montoro | 932.92 mi (1,501.40 km) |
| Pen-y-Bont ar Ogwr to Monzon | 686.47 mi (1,104.77 km) |
| Pen-y-Bont ar Ogwr to Mora | 816.96 mi (1,314.77 km) |
| Pen-y-Bont ar Ogwr to Moralzarzal | 748.66 mi (1,204.86 km) |
| Pen-y-Bont ar Ogwr to Moron de la Frontera | 998.12 mi (1,606.33 km) |
| Pen-y-Bont ar Ogwr to Mostoles | 772.16 mi (1,242.68 km) |
| Pen-y-Bont ar Ogwr to Motril | 1,019.63 mi (1,640.93 km) |
| Pen-y-Bont ar Ogwr to Muchamiel | 917.33 mi (1,476.30 km) |
| Pen-y-Bont ar Ogwr to Mula | 935.88 mi (1,506.15 km) |
| Pen-y-Bont ar Ogwr to Munguia | 564.31 mi (908.17 km) |
| Pen-y-Bont ar Ogwr to Murcia | 941.77 mi (1,515.63 km) |
