| Portet-sur-Garonne to Lubbeek | 533.32 mi (858.29 km) |
| Portet-sur-Garonne to Lummen | 545.18 mi (877.39 km) |
| Portet-sur-Garonne to Maaseik | 562.22 mi (904.81 km) |
| Portet-sur-Garonne to Machelen | 529.81 mi (852.65 km) |
| Portet-sur-Garonne to Maldegem | 538.87 mi (867.22 km) |
| Portet-sur-Garonne to Malmedy | 523.38 mi (842.30 km) |
| Portet-sur-Garonne to Manage | 500.10 mi (804.83 km) |
| Portet-sur-Garonne to Marche-en-Famenne | 498.20 mi (801.77 km) |
| Portet-sur-Garonne to Mariakerke | 532.38 mi (856.78 km) |
| Portet-sur-Garonne to Mechelen | 538.14 mi (866.05 km) |
| Portet-sur-Garonne to Mechelen-aan-de-Maas | 554.12 mi (891.77 km) |
| Portet-sur-Garonne to Meerhout | 553.19 mi (890.28 km) |
| Portet-sur-Garonne to Meise | 530.06 mi (853.05 km) |
| Portet-sur-Garonne to Melle | 528.66 mi (850.80 km) |
| Portet-sur-Garonne to Melsele | 548.59 mi (882.87 km) |
