| South River to Arcos de Valdevez | 3,345.10 mi (5,383.42 km) |
| South River to Arcozelo | 3,354.96 mi (5,399.28 km) |
| South River to Arganil | 3,405.61 mi (5,480.80 km) |
| South River to Arouca | 3,377.19 mi (5,435.05 km) |
| South River to Arruda dos Vinhos | 3,390.10 mi (5,455.84 km) |
| South River to Aveiro | 3,365.57 mi (5,416.37 km) |
| South River to Aver-o-Mar | 3,339.67 mi (5,374.68 km) |
| South River to Aves | 3,361.27 mi (5,409.44 km) |
| South River to Azambuja | 3,397.60 mi (5,467.91 km) |
| South River to Baiao | 3,381.23 mi (5,441.56 km) |
| South River to Barcelos | 3,344.08 mi (5,381.78 km) |
| South River to Barreiro | 3,398.95 mi (5,470.09 km) |
| South River to Batalha | 3,384.77 mi (5,447.27 km) |
| South River to Beja | 3,475.44 mi (5,593.18 km) |
| South River to Belas | 3,385.81 mi (5,448.94 km) |
