| Caernarfon to Maisons-Alfort | 417.81 mi (672.40 km) |
| Caernarfon to Maisons-Laffitte | 401.70 mi (646.48 km) |
| Caernarfon to Maizieres-les-Metz | 526.32 mi (847.04 km) |
| Caernarfon to Malakoff | 412.91 mi (664.52 km) |
| Caernarfon to Mandelieu-la-Napoule | 837.18 mi (1,347.31 km) |
| Caernarfon to Manosque | 789.19 mi (1,270.09 km) |
| Caernarfon to Mantes-la-Jolie | 386.74 mi (622.40 km) |
| Caernarfon to Mantes-la-Ville | 387.42 mi (623.49 km) |
| Caernarfon to Marck | 304.50 mi (490.04 km) |
| Caernarfon to Marcq-en-Baroeul | 357.14 mi (574.77 km) |
| Caernarfon to Margny-les-Compiegne | 399.36 mi (642.71 km) |
| Caernarfon to Marguerittes | 753.94 mi (1,213.34 km) |
| Caernarfon to Marignane | 799.49 mi (1,286.65 km) |
| Caernarfon to Marly | 531.96 mi (856.11 km) |
| Caernarfon to Marly | 385.63 mi (620.61 km) |
