| Ostrov to Alfena | 1,202.86 mi (1,935.81 km) |
| Ostrov to Alijo | 1,158.83 mi (1,864.96 km) |
| Ostrov to Aljustrel | 1,344.11 mi (2,163.14 km) |
| Ostrov to Almada | 1,344.71 mi (2,164.10 km) |
| Ostrov to Almargem | 1,341.15 mi (2,158.37 km) |
| Ostrov to Almeirim | 1,298.88 mi (2,090.34 km) |
| Ostrov to Amadora | 1,345.10 mi (2,164.73 km) |
| Ostrov to Amarante | 1,183.05 mi (1,903.94 km) |
| Ostrov to Amares | 1,178.86 mi (1,897.19 km) |
| Ostrov to Amora | 1,345.76 mi (2,165.79 km) |
| Ostrov to Anadia | 1,234.64 mi (1,986.97 km) |
| Ostrov to Angra do Heroismo | 2,105.66 mi (3,388.73 km) |
| Ostrov to Ansiao | 1,258.18 mi (2,024.85 km) |
| Ostrov to Anta | 1,216.91 mi (1,958.42 km) |
| Ostrov to Arcos de Valdevez | 1,172.65 mi (1,887.20 km) |
