| Portimao to Amelia | 1,169.24 mi (1,881.72 km) |
| Portimao to Anagni | 1,197.04 mi (1,926.46 km) |
| Portimao to Ancona | 1,239.55 mi (1,994.87 km) |
| Portimao to Andria | 1,354.97 mi (2,180.61 km) |
| Portimao to Angri | 1,262.51 mi (2,031.81 km) |
| Portimao to Anguillara Sabazia | 1,155.59 mi (1,859.74 km) |
| Portimao to Anzio | 1,167.08 mi (1,878.23 km) |
| Portimao to Anzola dell'Emilia | 1,147.52 mi (1,846.75 km) |
| Portimao to Aosta | 1,010.53 mi (1,626.29 km) |
| Portimao to Apricena | 1,313.59 mi (2,114.02 km) |
| Portimao to Aprilia | 1,169.50 mi (1,882.13 km) |
| Portimao to Aradeo | 1,448.76 mi (2,331.56 km) |
| Portimao to Aragona | 1,215.59 mi (1,956.30 km) |
| Portimao to Arco | 1,168.90 mi (1,881.17 km) |
| Portimao to Arcola | 1,077.18 mi (1,733.55 km) |
