| South Valley to Montalegre | 5,060.90 mi (8,144.73 km) |
| South Valley to Montemor-o-Novo | 5,160.12 mi (8,304.42 km) |
| South Valley to Montemor-o-Velho | 5,082.73 mi (8,179.86 km) |
| South Valley to Montijo | 5,127.86 mi (8,252.49 km) |
| South Valley to Mortagua | 5,092.91 mi (8,196.24 km) |
| South Valley to Moura | 5,214.40 mi (8,391.77 km) |
| South Valley to Murtosa | 5,064.09 mi (8,149.87 km) |
| South Valley to Nazare | 5,086.41 mi (8,185.79 km) |
| South Valley to Nelas | 5,106.80 mi (8,218.59 km) |
| South Valley to Obidos | 5,091.21 mi (8,193.51 km) |
| South Valley to Odemira | 5,181.12 mi (8,338.20 km) |
| South Valley to Odivelas | 5,111.17 mi (8,225.63 km) |
| South Valley to Oeiras | 5,108.88 mi (8,221.95 km) |
| South Valley to Olhao | 5,238.63 mi (8,430.76 km) |
| South Valley to Oliveira de Azemeis | 5,067.17 mi (8,154.83 km) |
