| Mount Prospect to Alenquer | 3,993.64 mi (6,427.14 km) |
| Mount Prospect to Alfena | 3,940.35 mi (6,341.38 km) |
| Mount Prospect to Alijo | 3,986.40 mi (6,415.49 km) |
| Mount Prospect to Aljustrel | 4,073.40 mi (6,555.50 km) |
| Mount Prospect to Almada | 4,000.11 mi (6,437.55 km) |
| Mount Prospect to Almargem | 3,988.97 mi (6,419.63 km) |
| Mount Prospect to Almeirim | 4,006.82 mi (6,448.35 km) |
| Mount Prospect to Amadora | 3,994.76 mi (6,428.95 km) |
| Mount Prospect to Amarante | 3,960.08 mi (6,373.13 km) |
| Mount Prospect to Amares | 3,936.13 mi (6,334.59 km) |
| Mount Prospect to Amora | 4,003.83 mi (6,443.55 km) |
| Mount Prospect to Anadia | 3,972.16 mi (6,392.58 km) |
| Mount Prospect to Angra do Heroismo | 3,137.65 mi (5,049.56 km) |
| Mount Prospect to Ansiao | 3,990.11 mi (6,421.46 km) |
| Mount Prospect to Anta | 3,943.72 mi (6,346.80 km) |
