| Mountain Ash to Lubbeek | 359.34 mi (578.31 km) |
| Mountain Ash to Lummen | 373.27 mi (600.71 km) |
| Mountain Ash to Maaseik | 396.89 mi (638.73 km) |
| Mountain Ash to Machelen | 341.68 mi (549.89 km) |
| Mountain Ash to Maldegem | 295.17 mi (475.03 km) |
| Mountain Ash to Malmedy | 417.05 mi (671.18 km) |
| Mountain Ash to Manage | 340.12 mi (547.37 km) |
| Mountain Ash to Marche-en-Famenne | 392.25 mi (631.27 km) |
| Mountain Ash to Mariakerke | 307.04 mi (494.14 km) |
| Mountain Ash to Mechelen | 341.96 mi (550.33 km) |
| Mountain Ash to Mechelen-aan-de-Maas | 394.58 mi (635.01 km) |
| Mountain Ash to Meerhout | 366.48 mi (589.79 km) |
| Mountain Ash to Meise | 336.95 mi (542.27 km) |
| Mountain Ash to Melle | 313.29 mi (504.19 km) |
| Mountain Ash to Melsele | 331.23 mi (533.06 km) |
