| Fort Thomas to Alenquer | 3,918.85 mi (6,306.78 km) |
| Fort Thomas to Alfena | 3,877.30 mi (6,239.90 km) |
| Fort Thomas to Alijo | 3,925.57 mi (6,317.60 km) |
| Fort Thomas to Aljustrel | 3,994.94 mi (6,429.23 km) |
| Fort Thomas to Almada | 3,923.24 mi (6,313.85 km) |
| Fort Thomas to Almargem | 3,912.69 mi (6,296.87 km) |
| Fort Thomas to Almeirim | 3,933.56 mi (6,330.46 km) |
| Fort Thomas to Amadora | 3,918.00 mi (6,305.41 km) |
| Fort Thomas to Amarante | 3,898.05 mi (6,273.31 km) |
| Fort Thomas to Amares | 3,875.34 mi (6,236.75 km) |
| Fort Thomas to Amora | 3,926.79 mi (6,319.56 km) |
| Fort Thomas to Anadia | 3,905.30 mi (6,284.97 km) |
| Fort Thomas to Angra do Heroismo | 3,025.87 mi (4,869.66 km) |
| Fort Thomas to Ansiao | 3,920.71 mi (6,309.78 km) |
| Fort Thomas to Anta | 3,879.32 mi (6,243.16 km) |
