| River Grove to Alenquer | 3,993.23 mi (6,426.49 km) |
| River Grove to Alfena | 3,940.42 mi (6,341.49 km) |
| River Grove to Alijo | 3,986.56 mi (6,415.75 km) |
| River Grove to Aljustrel | 4,072.85 mi (6,554.62 km) |
| River Grove to Almada | 3,999.62 mi (6,436.76 km) |
| River Grove to Almargem | 3,988.51 mi (6,418.88 km) |
| River Grove to Almeirim | 4,006.47 mi (6,447.80 km) |
| River Grove to Amadora | 3,994.27 mi (6,428.16 km) |
| River Grove to Amarante | 3,960.19 mi (6,373.30 km) |
| River Grove to Amares | 3,936.29 mi (6,334.84 km) |
| River Grove to Amora | 4,003.34 mi (6,442.75 km) |
| River Grove to Anadia | 3,972.08 mi (6,392.44 km) |
| River Grove to Angra do Heroismo | 3,135.58 mi (5,046.24 km) |
| River Grove to Ansiao | 3,989.92 mi (6,421.16 km) |
| River Grove to Anta | 3,943.73 mi (6,346.82 km) |
