| Clausthal-Zellerfeld to Lubbeek | 245.49 mi (395.08 km) |
| Clausthal-Zellerfeld to Lummen | 228.51 mi (367.75 km) |
| Clausthal-Zellerfeld to Maaseik | 201.80 mi (324.76 km) |
| Clausthal-Zellerfeld to Machelen | 261.83 mi (421.38 km) |
| Clausthal-Zellerfeld to Maldegem | 299.67 mi (482.28 km) |
| Clausthal-Zellerfeld to Malmedy | 210.43 mi (338.65 km) |
| Clausthal-Zellerfeld to Manage | 279.31 mi (449.51 km) |
| Clausthal-Zellerfeld to Marche-en-Famenne | 243.51 mi (391.89 km) |
| Clausthal-Zellerfeld to Mariakerke | 291.14 mi (468.54 km) |
| Clausthal-Zellerfeld to Mechelen | 257.87 mi (415.00 km) |
| Clausthal-Zellerfeld to Mechelen-aan-de-Maas | 207.33 mi (333.67 km) |
| Clausthal-Zellerfeld to Meerhout | 230.72 mi (371.31 km) |
| Clausthal-Zellerfeld to Meise | 265.74 mi (427.66 km) |
| Clausthal-Zellerfeld to Melle | 287.04 mi (461.95 km) |
| Clausthal-Zellerfeld to Melsele | 263.35 mi (423.82 km) |
