| Caernarfon to Lubbeek | 417.35 mi (671.66 km) |
| Caernarfon to Lummen | 428.59 mi (689.75 km) |
| Caernarfon to Maaseik | 448.78 mi (722.24 km) |
| Caernarfon to Machelen | 400.61 mi (644.71 km) |
| Caernarfon to Maldegem | 352.66 mi (567.55 km) |
| Caernarfon to Malmedy | 477.75 mi (768.86 km) |
| Caernarfon to Manage | 406.05 mi (653.47 km) |
| Caernarfon to Marche-en-Famenne | 457.84 mi (736.82 km) |
| Caernarfon to Mariakerke | 365.95 mi (588.95 km) |
| Caernarfon to Mechelen | 398.84 mi (641.88 km) |
| Caernarfon to Mechelen-aan-de-Maas | 448.25 mi (721.39 km) |
| Caernarfon to Meerhout | 419.82 mi (675.63 km) |
| Caernarfon to Meise | 395.86 mi (637.08 km) |
| Caernarfon to Melle | 373.01 mi (600.30 km) |
| Caernarfon to Melsele | 385.51 mi (620.41 km) |
