| Grenchen to Lubbeek | 280.02 mi (450.65 km) |
| Grenchen to Lummen | 280.23 mi (450.99 km) |
| Grenchen to Maaseik | 279.86 mi (450.39 km) |
| Grenchen to Machelen | 289.80 mi (466.38 km) |
| Grenchen to Maldegem | 329.68 mi (530.57 km) |
| Grenchen to Malmedy | 231.56 mi (372.67 km) |
| Grenchen to Manage | 270.07 mi (434.64 km) |
| Grenchen to Marche-en-Famenne | 229.25 mi (368.94 km) |
| Grenchen to Mariakerke | 316.51 mi (509.37 km) |
| Grenchen to Mechelen | 296.06 mi (476.46 km) |
| Grenchen to Mechelen-aan-de-Maas | 273.90 mi (440.79 km) |
| Grenchen to Meerhout | 291.73 mi (469.50 km) |
| Grenchen to Meise | 293.37 mi (472.13 km) |
| Grenchen to Melle | 309.35 mi (497.85 km) |
| Grenchen to Melsele | 311.88 mi (501.93 km) |
