| Altdorf to Lubbeek | 326.47 mi (525.40 km) |
| Altdorf to Lummen | 324.25 mi (521.83 km) |
| Altdorf to Maaseik | 319.78 mi (514.64 km) |
| Altdorf to Machelen | 338.11 mi (544.14 km) |
| Altdorf to Maldegem | 380.75 mi (612.77 km) |
| Altdorf to Malmedy | 272.78 mi (439.00 km) |
| Altdorf to Manage | 321.29 mi (517.07 km) |
| Altdorf to Marche-en-Famenne | 276.28 mi (444.62 km) |
| Altdorf to Mariakerke | 367.26 mi (591.05 km) |
| Altdorf to Mechelen | 343.63 mi (553.02 km) |
| Altdorf to Mechelen-aan-de-Maas | 314.78 mi (506.59 km) |
| Altdorf to Meerhout | 335.76 mi (540.35 km) |
| Altdorf to Meise | 342.06 mi (550.49 km) |
| Altdorf to Melle | 359.95 mi (579.29 km) |
| Altdorf to Melsele | 359.51 mi (578.58 km) |
