| Caernarfon to Montigny-les-Metz | 530.52 mi (853.78 km) |
| Caernarfon to Montivilliers | 314.01 mi (505.35 km) |
| Caernarfon to Montlouis-sur-Loire | 456.47 mi (734.62 km) |
| Caernarfon to Montlucon | 560.57 mi (902.16 km) |
| Caernarfon to Montmagny | 406.40 mi (654.04 km) |
| Caernarfon to Montmorency | 404.83 mi (651.51 km) |
| Caernarfon to Montpellier | 755.99 mi (1,216.65 km) |
| Caernarfon to Montreuil | 415.14 mi (668.10 km) |
| Caernarfon to Montrouge | 413.72 mi (665.82 km) |
| Caernarfon to Morangis | 419.88 mi (675.74 km) |
| Caernarfon to Morieres-les-Avignon | 760.27 mi (1,223.54 km) |
| Caernarfon to Morlaix | 315.83 mi (508.27 km) |
| Caernarfon to Morsang-sur-Orge | 422.56 mi (680.05 km) |
| Caernarfon to Mouans-Sartoux | 833.90 mi (1,342.03 km) |
| Caernarfon to Mougins | 835.68 mi (1,344.91 km) |
