| Castrolibero to Lubbeek | 969.89 mi (1,560.89 km) |
| Castrolibero to Lummen | 965.72 mi (1,554.18 km) |
| Castrolibero to Maaseik | 957.09 mi (1,540.28 km) |
| Castrolibero to Machelen | 982.62 mi (1,581.37 km) |
| Castrolibero to Maldegem | 1,026.28 mi (1,651.63 km) |
| Castrolibero to Malmedy | 912.93 mi (1,469.22 km) |
| Castrolibero to Manage | 966.95 mi (1,556.16 km) |
| Castrolibero to Marche-en-Famenne | 920.61 mi (1,481.58 km) |
| Castrolibero to Mariakerke | 1,012.71 mi (1,629.81 km) |
| Castrolibero to Mechelen | 987.64 mi (1,589.46 km) |
| Castrolibero to Mechelen-aan-de-Maas | 953.33 mi (1,534.23 km) |
| Castrolibero to Meerhout | 977.03 mi (1,572.37 km) |
| Castrolibero to Meise | 986.73 mi (1,588.00 km) |
| Castrolibero to Melle | 1,005.38 mi (1,618.00 km) |
| Castrolibero to Melsele | 1,003.43 mi (1,614.86 km) |
