| Pen-y-Bont ar Ogwr to Marly-le-Roi | 310.11 mi (499.07 km) |
| Pen-y-Bont ar Ogwr to Marmande | 513.98 mi (827.17 km) |
| Pen-y-Bont ar Ogwr to Maromme | 246.55 mi (396.78 km) |
| Pen-y-Bont ar Ogwr to Marquette-les-Lille | 293.90 mi (472.99 km) |
| Pen-y-Bont ar Ogwr to Marseille | 703.85 mi (1,132.74 km) |
| Pen-y-Bont ar Ogwr to Martigues | 688.73 mi (1,108.41 km) |
| Pen-y-Bont ar Ogwr to Massy | 322.26 mi (518.63 km) |
| Pen-y-Bont ar Ogwr to Maubeuge | 339.74 mi (546.77 km) |
| Pen-y-Bont ar Ogwr to Mauguio | 649.10 mi (1,044.62 km) |
| Pen-y-Bont ar Ogwr to Mauleon | 341.45 mi (549.50 km) |
| Pen-y-Bont ar Ogwr to Maurepas | 309.38 mi (497.91 km) |
| Pen-y-Bont ar Ogwr to Maxeville | 472.42 mi (760.29 km) |
| Pen-y-Bont ar Ogwr to Mayenne | 257.66 mi (414.67 km) |
| Pen-y-Bont ar Ogwr to Mazamet | 619.10 mi (996.34 km) |
| Pen-y-Bont ar Ogwr to Meaux | 335.45 mi (539.85 km) |
