| Mechelen-aan-de-Maas to Montemor-o-Novo | 1,088.46 mi (1,751.71 km) |
| Mechelen-aan-de-Maas to Montemor-o-Velho | 1,018.15 mi (1,638.55 km) |
| Mechelen-aan-de-Maas to Montijo | 1,107.44 mi (1,782.25 km) |
| Mechelen-aan-de-Maas to Mortagua | 989.05 mi (1,591.72 km) |
| Mechelen-aan-de-Maas to Moura | 1,096.03 mi (1,763.90 km) |
| Mechelen-aan-de-Maas to Murtosa | 985.90 mi (1,586.65 km) |
| Mechelen-aan-de-Maas to Nazare | 1,061.57 mi (1,708.43 km) |
| Mechelen-aan-de-Maas to Nelas | 972.20 mi (1,564.60 km) |
| Mechelen-aan-de-Maas to Obidos | 1,077.84 mi (1,734.61 km) |
| Mechelen-aan-de-Maas to Odemira | 1,162.52 mi (1,870.90 km) |
| Mechelen-aan-de-Maas to Odivelas | 1,110.15 mi (1,786.61 km) |
| Mechelen-aan-de-Maas to Oeiras | 1,120.46 mi (1,803.20 km) |
| Mechelen-aan-de-Maas to Olhao | 1,172.66 mi (1,887.21 km) |
| Mechelen-aan-de-Maas to Oliveira de Azemeis | 974.95 mi (1,569.03 km) |
| Mechelen-aan-de-Maas to Oliveira de Frades | 972.02 mi (1,564.32 km) |
