| Portimao to Ascoli Piceno | 1,231.41 mi (1,981.77 km) |
| Portimao to Asola | 1,128.81 mi (1,816.64 km) |
| Portimao to Asolo | 1,211.36 mi (1,949.49 km) |
| Portimao to Assemini | 962.06 mi (1,548.29 km) |
| Portimao to Assisi | 1,186.96 mi (1,910.22 km) |
| Portimao to Asti | 1,021.55 mi (1,644.03 km) |
| Portimao to Atessa | 1,265.96 mi (2,037.37 km) |
| Portimao to Atri | 1,247.98 mi (2,008.43 km) |
| Portimao to Atripalda | 1,276.90 mi (2,054.97 km) |
| Portimao to Augusta | 1,304.03 mi (2,098.64 km) |
| Portimao to Aulla | 1,082.68 mi (1,742.41 km) |
| Portimao to Aurisina | 1,292.26 mi (2,079.70 km) |
| Portimao to Avellino | 1,274.99 mi (2,051.90 km) |
| Portimao to Aversa | 1,244.62 mi (2,003.03 km) |
| Portimao to Avezzano | 1,214.43 mi (1,954.44 km) |
