| Portimao to Lubbeek | 1,155.38 mi (1,859.40 km) |
| Portimao to Lummen | 1,170.82 mi (1,884.25 km) |
| Portimao to Maaseik | 1,193.71 mi (1,921.09 km) |
| Portimao to Machelen | 1,145.72 mi (1,843.86 km) |
| Portimao to Maldegem | 1,135.23 mi (1,826.97 km) |
| Portimao to Malmedy | 1,165.72 mi (1,876.04 km) |
| Portimao to Manage | 1,118.10 mi (1,799.40 km) |
| Portimao to Marche-en-Famenne | 1,135.03 mi (1,826.65 km) |
| Portimao to Mariakerke | 1,134.35 mi (1,825.57 km) |
| Portimao to Mechelen | 1,153.25 mi (1,855.97 km) |
| Portimao to Mechelen-aan-de-Maas | 1,185.88 mi (1,908.49 km) |
| Portimao to Meerhout | 1,175.46 mi (1,891.72 km) |
| Portimao to Meise | 1,144.15 mi (1,841.33 km) |
| Portimao to Melle | 1,133.56 mi (1,824.29 km) |
| Portimao to Melsele | 1,158.38 mi (1,864.23 km) |
