| Piqua to Alenquer | 3,876.93 mi (6,239.31 km) |
| Piqua to Alfena | 3,832.64 mi (6,168.04 km) |
| Piqua to Alijo | 3,880.44 mi (6,244.97 km) |
| Piqua to Aljustrel | 3,953.93 mi (6,363.24 km) |
| Piqua to Almada | 3,881.81 mi (6,247.18 km) |
| Piqua to Almargem | 3,871.12 mi (6,229.96 km) |
| Piqua to Almeirim | 3,891.29 mi (6,262.42 km) |
| Piqua to Amadora | 3,876.54 mi (6,238.69 km) |
| Piqua to Amarante | 3,853.17 mi (6,201.08 km) |
| Piqua to Amares | 3,830.17 mi (6,164.06 km) |
| Piqua to Amora | 3,885.41 mi (6,252.96 km) |
| Piqua to Anadia | 3,861.52 mi (6,214.52 km) |
| Piqua to Angra do Heroismo | 2,992.70 mi (4,816.28 km) |
| Piqua to Ansiao | 3,877.53 mi (6,240.28 km) |
| Piqua to Anta | 3,834.97 mi (6,171.78 km) |
