| South River to Montalegre | 3,375.68 mi (5,432.63 km) |
| South River to Montemor-o-Novo | 3,441.27 mi (5,538.19 km) |
| South River to Montemor-o-Velho | 3,376.43 mi (5,433.85 km) |
| South River to Montijo | 3,406.70 mi (5,482.55 km) |
| South River to Mortagua | 3,391.10 mi (5,457.44 km) |
| South River to Moura | 3,493.89 mi (5,622.88 km) |
| South River to Murtosa | 3,363.73 mi (5,413.40 km) |
| South River to Nazare | 3,373.10 mi (5,428.48 km) |
| South River to Nelas | 3,407.40 mi (5,483.68 km) |
| South River to Obidos | 3,375.26 mi (5,431.96 km) |
| South River to Odemira | 3,451.43 mi (5,554.54 km) |
| South River to Odivelas | 3,389.92 mi (5,455.55 km) |
| South River to Oeiras | 3,386.16 mi (5,449.50 km) |
| South River to Olhao | 3,507.26 mi (5,644.39 km) |
| South River to Oliveira de Azemeis | 3,368.56 mi (5,421.17 km) |
