| Tucson Mountains to Alenquer | 5,424.14 mi (8,729.30 km) |
| Tucson Mountains to Alfena | 5,365.01 mi (8,634.15 km) |
| Tucson Mountains to Alijo | 5,409.53 mi (8,705.80 km) |
| Tucson Mountains to Aljustrel | 5,505.19 mi (8,859.75 km) |
| Tucson Mountains to Almada | 5,431.42 mi (8,741.02 km) |
| Tucson Mountains to Almargem | 5,420.08 mi (8,722.78 km) |
| Tucson Mountains to Almeirim | 5,436.63 mi (8,749.41 km) |
| Tucson Mountains to Amadora | 5,426.04 mi (8,732.37 km) |
| Tucson Mountains to Amarante | 5,384.05 mi (8,664.79 km) |
| Tucson Mountains to Amares | 5,359.41 mi (8,625.13 km) |
| Tucson Mountains to Amora | 5,435.21 mi (8,747.12 km) |
| Tucson Mountains to Anadia | 5,398.91 mi (8,688.70 km) |
| Tucson Mountains to Angra do Heroismo | 4,571.12 mi (7,356.51 km) |
| Tucson Mountains to Ansiao | 5,418.14 mi (8,719.65 km) |
| Tucson Mountains to Anta | 5,369.16 mi (8,640.83 km) |
