| South River to Alenquer | 3,390.70 mi (5,456.81 km) |
| South River to Alfena | 3,355.69 mi (5,400.46 km) |
| South River to Alijo | 3,405.15 mi (5,480.06 km) |
| South River to Aljustrel | 3,464.83 mi (5,576.11 km) |
| South River to Almada | 3,394.06 mi (5,462.21 km) |
| South River to Almargem | 3,383.81 mi (5,445.72 km) |
| South River to Almeirim | 3,406.16 mi (5,481.68 km) |
| South River to Amadora | 3,388.88 mi (5,453.87 km) |
| South River to Amarante | 3,377.00 mi (5,434.75 km) |
| South River to Amares | 3,355.10 mi (5,399.51 km) |
| South River to Amora | 3,397.51 mi (5,467.77 km) |
| South River to Anadia | 3,381.40 mi (5,441.84 km) |
| South River to Angra do Heroismo | 2,485.53 mi (4,000.08 km) |
| South River to Ansiao | 3,395.37 mi (5,464.33 km) |
| South River to Anta | 3,356.92 mi (5,402.44 km) |
