| Groslay to Lubbeek | 171.66 mi (276.26 km) |
| Groslay to Lummen | 187.39 mi (301.57 km) |
| Groslay to Maaseik | 211.32 mi (340.08 km) |
| Groslay to Machelen | 162.21 mi (261.06 km) |
| Groslay to Maldegem | 160.36 mi (258.07 km) |
| Groslay to Malmedy | 191.52 mi (308.22 km) |
| Groslay to Manage | 134.32 mi (216.17 km) |
| Groslay to Marche-en-Famenne | 158.52 mi (255.12 km) |
| Groslay to Mariakerke | 155.78 mi (250.70 km) |
| Groslay to Mechelen | 169.94 mi (273.50 km) |
| Groslay to Mechelen-aan-de-Maas | 203.77 mi (327.94 km) |
| Groslay to Meerhout | 191.69 mi (308.50 km) |
| Groslay to Meise | 160.94 mi (259.00 km) |
| Groslay to Melle | 153.39 mi (246.86 km) |
| Groslay to Melsele | 176.62 mi (284.24 km) |
