| Castalla to Lubbeek | 890.24 mi (1,432.70 km) |
| Castalla to Lummen | 902.22 mi (1,451.98 km) |
| Castalla to Maaseik | 919.20 mi (1,479.31 km) |
| Castalla to Machelen | 886.38 mi (1,426.49 km) |
| Castalla to Maldegem | 893.30 mi (1,437.63 km) |
| Castalla to Malmedy | 879.77 mi (1,415.85 km) |
| Castalla to Manage | 856.67 mi (1,378.67 km) |
| Castalla to Marche-en-Famenne | 855.11 mi (1,376.16 km) |
| Castalla to Mariakerke | 887.53 mi (1,428.34 km) |
| Castalla to Mechelen | 894.69 mi (1,439.86 km) |
| Castalla to Mechelen-aan-de-Maas | 911.11 mi (1,466.28 km) |
| Castalla to Meerhout | 910.17 mi (1,464.77 km) |
| Castalla to Meise | 886.49 mi (1,426.67 km) |
| Castalla to Melle | 884.14 mi (1,422.89 km) |
| Castalla to Melsele | 904.75 mi (1,456.06 km) |
