| Bad Harzburg to Lubbeek | 256.10 mi (412.16 km) |
| Bad Harzburg to Lummen | 239.10 mi (384.80 km) |
| Bad Harzburg to Maaseik | 212.38 mi (341.79 km) |
| Bad Harzburg to Machelen | 272.36 mi (438.33 km) |
| Bad Harzburg to Maldegem | 309.82 mi (498.60 km) |
| Bad Harzburg to Malmedy | 221.42 mi (356.34 km) |
| Bad Harzburg to Manage | 290.08 mi (466.84 km) |
| Bad Harzburg to Marche-en-Famenne | 254.49 mi (409.57 km) |
| Bad Harzburg to Mariakerke | 301.43 mi (485.10 km) |
| Bad Harzburg to Mechelen | 268.31 mi (431.80 km) |
| Bad Harzburg to Mechelen-aan-de-Maas | 217.99 mi (350.83 km) |
| Bad Harzburg to Meerhout | 241.15 mi (388.10 km) |
| Bad Harzburg to Meise | 276.24 mi (444.56 km) |
| Bad Harzburg to Melle | 297.41 mi (478.63 km) |
| Bad Harzburg to Melsele | 273.58 mi (440.28 km) |
