| Pen-y-Bont ar Ogwr to Massarosa | 832.70 mi (1,340.10 km) |
| Pen-y-Bont ar Ogwr to Matelica | 959.27 mi (1,543.80 km) |
| Pen-y-Bont ar Ogwr to Matera | 1,216.21 mi (1,957.30 km) |
| Pen-y-Bont ar Ogwr to Matino | 1,304.38 mi (2,099.20 km) |
| Pen-y-Bont ar Ogwr to Mazzarino | 1,309.71 mi (2,107.78 km) |
| Pen-y-Bont ar Ogwr to Meda | 707.06 mi (1,137.91 km) |
| Pen-y-Bont ar Ogwr to Medesano | 783.95 mi (1,261.65 km) |
| Pen-y-Bont ar Ogwr to Medicina | 851.87 mi (1,370.96 km) |
| Pen-y-Bont ar Ogwr to Meldola | 883.24 mi (1,421.43 km) |
| Pen-y-Bont ar Ogwr to Melegnano | 726.54 mi (1,169.26 km) |
| Pen-y-Bont ar Ogwr to Melendugno | 1,300.68 mi (2,093.24 km) |
| Pen-y-Bont ar Ogwr to Melfi | 1,164.77 mi (1,874.52 km) |
| Pen-y-Bont ar Ogwr to Melilli | 1,346.05 mi (2,166.25 km) |
| Pen-y-Bont ar Ogwr to Melito di Napoli | 1,117.50 mi (1,798.44 km) |
| Pen-y-Bont ar Ogwr to Melito di Porto Salvo | 1,328.36 mi (2,137.78 km) |
