| Caerfyrddin to Montigny-les-Metz | 497.59 mi (800.79 km) |
| Caerfyrddin to Montivilliers | 253.54 mi (408.03 km) |
| Caerfyrddin to Montlouis-sur-Loire | 384.87 mi (619.39 km) |
| Caerfyrddin to Montlucon | 492.70 mi (792.92 km) |
| Caerfyrddin to Montmagny | 354.31 mi (570.21 km) |
| Caerfyrddin to Montmorency | 352.77 mi (567.73 km) |
| Caerfyrddin to Montpellier | 684.20 mi (1,101.11 km) |
| Caerfyrddin to Montreuil | 362.54 mi (583.45 km) |
| Caerfyrddin to Montrouge | 360.02 mi (579.39 km) |
| Caerfyrddin to Morangis | 365.25 mi (587.82 km) |
| Caerfyrddin to Morieres-les-Avignon | 692.74 mi (1,114.85 km) |
| Caerfyrddin to Morlaix | 227.55 mi (366.20 km) |
| Caerfyrddin to Morsang-sur-Orge | 367.60 mi (591.60 km) |
| Caerfyrddin to Mouans-Sartoux | 772.17 mi (1,242.69 km) |
| Caerfyrddin to Mougins | 773.96 mi (1,245.57 km) |
