| Portales to Montalegre | 4,950.65 mi (7,967.30 km) |
| Portales to Montemor-o-Novo | 5,041.41 mi (8,113.37 km) |
| Portales to Montemor-o-Velho | 4,967.23 mi (7,993.99 km) |
| Portales to Montijo | 5,008.43 mi (8,060.29 km) |
| Portales to Mortagua | 4,978.61 mi (8,012.29 km) |
| Portales to Moura | 5,095.35 mi (8,200.17 km) |
| Portales to Murtosa | 4,950.09 mi (7,966.39 km) |
| Portales to Nazare | 4,969.06 mi (7,996.93 km) |
| Portales to Nelas | 4,993.15 mi (8,035.70 km) |
| Portales to Obidos | 4,973.15 mi (8,003.51 km) |
| Portales to Odemira | 5,059.33 mi (8,142.21 km) |
| Portales to Odivelas | 4,991.68 mi (8,033.33 km) |
| Portales to Oeiras | 4,988.97 mi (8,028.97 km) |
| Portales to Olhao | 5,116.45 mi (8,234.13 km) |
| Portales to Oliveira de Azemeis | 4,953.62 mi (7,972.09 km) |
