| Circleville to Alenquer | 3,829.97 mi (6,163.74 km) |
| Circleville to Alfena | 3,788.60 mi (6,097.16 km) |
| Circleville to Alijo | 3,836.92 mi (6,174.93 km) |
| Circleville to Aljustrel | 3,906.04 mi (6,286.16 km) |
| Circleville to Almada | 3,834.35 mi (6,170.79 km) |
| Circleville to Almargem | 3,823.80 mi (6,153.81 km) |
| Circleville to Almeirim | 3,844.70 mi (6,187.44 km) |
| Circleville to Amadora | 3,829.11 mi (6,162.35 km) |
| Circleville to Amarante | 3,809.38 mi (6,130.60 km) |
| Circleville to Amares | 3,786.69 mi (6,094.10 km) |
| Circleville to Amora | 3,837.90 mi (6,176.50 km) |
| Circleville to Anadia | 3,816.52 mi (6,142.10 km) |
| Circleville to Angra do Heroismo | 2,937.50 mi (4,727.44 km) |
| Circleville to Ansiao | 3,831.89 mi (6,166.84 km) |
| Circleville to Anta | 3,790.59 mi (6,100.37 km) |
