| Portales to Alenquer | 4,990.31 mi (8,031.12 km) |
| Portales to Alfena | 4,937.73 mi (7,946.51 km) |
| Portales to Alijo | 4,983.72 mi (8,020.53 km) |
| Portales to Aljustrel | 5,069.53 mi (8,158.62 km) |
| Portales to Almada | 4,996.47 mi (8,041.05 km) |
| Portales to Almargem | 4,985.43 mi (8,023.27 km) |
| Portales to Almeirim | 5,003.68 mi (8,052.64 km) |
| Portales to Amadora | 4,991.14 mi (8,032.47 km) |
| Portales to Amarante | 4,957.44 mi (7,978.23 km) |
| Portales to Amares | 4,933.46 mi (7,939.63 km) |
| Portales to Amora | 5,000.18 mi (8,047.00 km) |
| Portales to Anadia | 4,969.49 mi (7,997.62 km) |
| Portales to Angra do Heroismo | 4,119.81 mi (6,630.20 km) |
| Portales to Ansiao | 4,987.31 mi (8,026.30 km) |
| Portales to Anta | 4,941.10 mi (7,951.93 km) |
