| Port Arthur to Alenquer | 4,703.58 mi (7,569.68 km) |
| Port Arthur to Alfena | 4,673.39 mi (7,521.09 km) |
| Port Arthur to Alijo | 4,723.34 mi (7,601.49 km) |
| Port Arthur to Aljustrel | 4,775.34 mi (7,685.17 km) |
| Port Arthur to Almada | 4,705.81 mi (7,573.27 km) |
| Port Arthur to Almargem | 4,695.92 mi (7,557.36 km) |
| Port Arthur to Almeirim | 4,719.74 mi (7,595.69 km) |
| Port Arthur to Amadora | 4,700.71 mi (7,565.06 km) |
| Port Arthur to Amarante | 4,694.93 mi (7,555.76 km) |
| Port Arthur to Amares | 4,673.40 mi (7,521.11 km) |
| Port Arthur to Amora | 4,709.15 mi (7,578.64 km) |
| Port Arthur to Anadia | 4,697.79 mi (7,560.36 km) |
| Port Arthur to Angra do Heroismo | 3,775.19 mi (6,075.58 km) |
| Port Arthur to Ansiao | 4,710.73 mi (7,581.19 km) |
| Port Arthur to Anta | 4,674.21 mi (7,522.41 km) |
