| Altdorf to Alenquer | 1,039.63 mi (1,673.13 km) |
| Altdorf to Alfena | 934.02 mi (1,503.15 km) |
| Altdorf to Alijo | 885.81 mi (1,425.57 km) |
| Altdorf to Aljustrel | 1,053.43 mi (1,695.32 km) |
| Altdorf to Almada | 1,061.22 mi (1,707.87 km) |
| Altdorf to Almargem | 1,058.99 mi (1,704.28 km) |
| Altdorf to Almeirim | 1,016.27 mi (1,635.53 km) |
| Altdorf to Amadora | 1,062.17 mi (1,709.39 km) |
| Altdorf to Amarante | 912.49 mi (1,468.51 km) |
| Altdorf to Amares | 912.40 mi (1,468.36 km) |
| Altdorf to Amora | 1,061.83 mi (1,708.86 km) |
| Altdorf to Anadia | 959.24 mi (1,543.75 km) |
| Altdorf to Angra do Heroismo | 1,886.31 mi (3,035.73 km) |
| Altdorf to Ansiao | 979.26 mi (1,575.97 km) |
| Altdorf to Anta | 946.62 mi (1,523.44 km) |
