| Grefrath to Lubbeek | 72.23 mi (116.24 km) |
| Grefrath to Lummen | 55.12 mi (88.71 km) |
| Grefrath to Maaseik | 28.98 mi (46.63 km) |
| Grefrath to Machelen | 87.66 mi (141.07 km) |
| Grefrath to Maldegem | 126.04 mi (202.83 km) |
| Grefrath to Malmedy | 65.09 mi (104.75 km) |
| Grefrath to Manage | 108.46 mi (174.56 km) |
| Grefrath to Marche-en-Famenne | 89.00 mi (143.23 km) |
| Grefrath to Mariakerke | 116.78 mi (187.93 km) |
| Grefrath to Mechelen | 83.34 mi (134.12 km) |
| Grefrath to Mechelen-aan-de-Maas | 36.27 mi (58.37 km) |
| Grefrath to Meerhout | 56.18 mi (90.41 km) |
| Grefrath to Meise | 91.38 mi (147.06 km) |
| Grefrath to Melle | 112.50 mi (181.05 km) |
| Grefrath to Melsele | 89.36 mi (143.81 km) |
