| Holyhead to Montigny-les-Metz | 549.23 mi (883.90 km) |
| Holyhead to Montivilliers | 332.61 mi (535.28 km) |
| Holyhead to Montlouis-sur-Loire | 474.34 mi (763.38 km) |
| Holyhead to Montlucon | 578.87 mi (931.60 km) |
| Holyhead to Montmagny | 425.37 mi (684.56 km) |
| Holyhead to Montmorency | 423.80 mi (682.03 km) |
| Holyhead to Montpellier | 773.97 mi (1,245.59 km) |
| Holyhead to Montreuil | 434.10 mi (698.61 km) |
| Holyhead to Montrouge | 432.66 mi (696.30 km) |
| Holyhead to Morangis | 438.80 mi (706.18 km) |
| Holyhead to Morieres-les-Avignon | 778.66 mi (1,253.14 km) |
| Holyhead to Morlaix | 328.78 mi (529.13 km) |
| Holyhead to Morsang-sur-Orge | 441.47 mi (710.48 km) |
| Holyhead to Mouans-Sartoux | 852.67 mi (1,372.23 km) |
| Holyhead to Mougins | 854.45 mi (1,375.10 km) |
