| Portage to Montalegre | 3,843.36 mi (6,185.28 km) |
| Portage to Montemor-o-Novo | 3,931.92 mi (6,327.81 km) |
| Portage to Montemor-o-Velho | 3,858.17 mi (6,209.12 km) |
| Portage to Montijo | 3,898.91 mi (6,274.68 km) |
| Portage to Mortagua | 3,869.82 mi (6,227.88 km) |
| Portage to Moura | 3,985.83 mi (6,414.58 km) |
| Portage to Murtosa | 3,841.39 mi (6,182.13 km) |
| Portage to Nazare | 3,859.68 mi (6,211.56 km) |
| Portage to Nelas | 3,884.55 mi (6,251.58 km) |
| Portage to Obidos | 3,863.70 mi (6,218.02 km) |
| Portage to Odemira | 3,949.92 mi (6,356.78 km) |
| Portage to Odivelas | 3,882.16 mi (6,247.73 km) |
| Portage to Oeiras | 3,879.45 mi (6,243.37 km) |
| Portage to Olhao | 4,007.09 mi (6,448.79 km) |
| Portage to Oliveira de Azemeis | 3,845.06 mi (6,188.03 km) |
