| Castanet-Tolosan to Lubbeek | 532.45 mi (856.90 km) |
| Castanet-Tolosan to Lummen | 544.21 mi (875.83 km) |
| Castanet-Tolosan to Maaseik | 561.08 mi (902.98 km) |
| Castanet-Tolosan to Machelen | 529.10 mi (851.50 km) |
| Castanet-Tolosan to Maldegem | 538.56 mi (866.73 km) |
| Castanet-Tolosan to Malmedy | 522.01 mi (840.09 km) |
| Castanet-Tolosan to Manage | 499.39 mi (803.69 km) |
| Castanet-Tolosan to Marche-en-Famenne | 497.01 mi (799.86 km) |
| Castanet-Tolosan to Mariakerke | 531.97 mi (856.12 km) |
| Castanet-Tolosan to Mechelen | 537.43 mi (864.90 km) |
| Castanet-Tolosan to Mechelen-aan-de-Maas | 552.99 mi (889.95 km) |
| Castanet-Tolosan to Meerhout | 552.29 mi (888.83 km) |
| Castanet-Tolosan to Meise | 529.39 mi (851.97 km) |
| Castanet-Tolosan to Melle | 528.20 mi (850.05 km) |
| Castanet-Tolosan to Melsele | 547.98 mi (881.89 km) |
