| Mount Vernon to Alenquer | 3,352.39 mi (5,395.15 km) |
| Mount Vernon to Alfena | 3,316.41 mi (5,337.25 km) |
| Mount Vernon to Alijo | 3,365.73 mi (5,416.62 km) |
| Mount Vernon to Aljustrel | 3,426.88 mi (5,515.02 km) |
| Mount Vernon to Almada | 3,355.93 mi (5,400.84 km) |
| Mount Vernon to Almargem | 3,345.62 mi (5,384.26 km) |
| Mount Vernon to Almeirim | 3,367.72 mi (5,419.83 km) |
| Mount Vernon to Amadora | 3,350.73 mi (5,392.48 km) |
| Mount Vernon to Amarante | 3,337.65 mi (5,371.43 km) |
| Mount Vernon to Amares | 3,315.65 mi (5,336.03 km) |
| Mount Vernon to Amora | 3,359.40 mi (5,406.43 km) |
| Mount Vernon to Anadia | 3,342.44 mi (5,379.13 km) |
| Mount Vernon to Angra do Heroismo | 2,450.46 mi (3,943.64 km) |
| Mount Vernon to Ansiao | 3,356.62 mi (5,401.95 km) |
| Mount Vernon to Anta | 3,317.74 mi (5,339.39 km) |
