| Pen-y-Bont ar Ogwr to Montigny-les-Metz | 460.12 mi (740.49 km) |
| Pen-y-Bont ar Ogwr to Montivilliers | 213.80 mi (344.08 km) |
| Pen-y-Bont ar Ogwr to Montlouis-sur-Loire | 346.49 mi (557.63 km) |
| Pen-y-Bont ar Ogwr to Montlucon | 453.73 mi (730.21 km) |
| Pen-y-Bont ar Ogwr to Montmagny | 314.77 mi (506.58 km) |
| Pen-y-Bont ar Ogwr to Montmorency | 313.24 mi (504.11 km) |
| Pen-y-Bont ar Ogwr to Montpellier | 646.11 mi (1,039.81 km) |
| Pen-y-Bont ar Ogwr to Montreuil | 322.96 mi (519.75 km) |
| Pen-y-Bont ar Ogwr to Montrouge | 320.39 mi (515.61 km) |
| Pen-y-Bont ar Ogwr to Morangis | 325.58 mi (523.97 km) |
| Pen-y-Bont ar Ogwr to Morieres-les-Avignon | 653.83 mi (1,052.25 km) |
| Pen-y-Bont ar Ogwr to Morlaix | 202.72 mi (326.25 km) |
| Pen-y-Bont ar Ogwr to Morsang-sur-Orge | 327.92 mi (527.73 km) |
| Pen-y-Bont ar Ogwr to Mouans-Sartoux | 732.66 mi (1,179.10 km) |
| Pen-y-Bont ar Ogwr to Mougins | 734.45 mi (1,181.98 km) |
