| Aiken to Alenquer | 3,958.32 mi (6,370.30 km) |
| Aiken to Alfena | 3,935.29 mi (6,333.24 km) |
| Aiken to Alijo | 3,986.34 mi (6,415.39 km) |
| Aiken to Aljustrel | 4,027.75 mi (6,482.03 km) |
| Aiken to Almada | 3,959.43 mi (6,372.09 km) |
| Aiken to Almargem | 3,949.91 mi (6,356.76 km) |
| Aiken to Almeirim | 3,975.22 mi (6,397.50 km) |
| Aiken to Amadora | 3,954.41 mi (6,364.02 km) |
| Aiken to Amarante | 3,957.35 mi (6,368.73 km) |
| Aiken to Amares | 3,936.79 mi (6,335.64 km) |
| Aiken to Amora | 3,962.66 mi (6,377.28 km) |
| Aiken to Anadia | 3,957.13 mi (6,368.39 km) |
| Aiken to Angra do Heroismo | 3,019.50 mi (4,859.42 km) |
| Aiken to Ansiao | 3,968.47 mi (6,386.63 km) |
| Aiken to Anta | 3,935.24 mi (6,333.16 km) |
