| South River to Cascais | 3,380.77 mi (5,440.82 km) |
| South River to Castelo Branco | 3,443.53 mi (5,541.82 km) |
| South River to Castro Daire | 3,393.10 mi (5,460.67 km) |
| South River to Celorico de Basto | 3,377.14 mi (5,434.99 km) |
| South River to Chamusca | 3,408.52 mi (5,485.49 km) |
| South River to Chaves | 3,393.11 mi (5,460.69 km) |
| South River to Cinfaes | 3,378.17 mi (5,436.65 km) |
| South River to Coimbra | 3,387.58 mi (5,451.79 km) |
| South River to Condeixa-a-Nova | 3,386.70 mi (5,450.36 km) |
| South River to Corroios | 3,396.27 mi (5,465.77 km) |
| South River to Coruche | 3,417.36 mi (5,499.70 km) |
| South River to Costa de Caparica | 3,391.25 mi (5,457.69 km) |
| South River to Covilha | 3,430.67 mi (5,521.13 km) |
| South River to Eiras | 3,387.00 mi (5,450.85 km) |
| South River to Elvas | 3,487.41 mi (5,612.44 km) |
