| River Forest to Alenquer | 3,993.26 mi (6,426.53 km) |
| River Forest to Alfena | 3,940.54 mi (6,341.68 km) |
| River Forest to Alijo | 3,986.70 mi (6,415.98 km) |
| River Forest to Aljustrel | 4,072.85 mi (6,554.62 km) |
| River Forest to Almada | 3,999.62 mi (6,436.77 km) |
| River Forest to Almargem | 3,988.52 mi (6,418.90 km) |
| River Forest to Almeirim | 4,006.51 mi (6,447.86 km) |
| River Forest to Amadora | 3,994.28 mi (6,428.18 km) |
| River Forest to Amarante | 3,960.32 mi (6,373.51 km) |
| River Forest to Amares | 3,936.43 mi (6,335.07 km) |
| River Forest to Amora | 4,003.34 mi (6,442.76 km) |
| River Forest to Anadia | 3,972.17 mi (6,392.59 km) |
| River Forest to Angra do Heroismo | 3,135.27 mi (5,045.73 km) |
| River Forest to Ansiao | 3,989.99 mi (6,421.27 km) |
| River Forest to Anta | 3,943.84 mi (6,346.99 km) |
