| Harrison to Alenquer | 3,344.39 mi (5,382.27 km) |
| Harrison to Alfena | 3,308.16 mi (5,323.97 km) |
| Harrison to Alijo | 3,357.44 mi (5,403.28 km) |
| Harrison to Aljustrel | 3,418.97 mi (5,502.29 km) |
| Harrison to Almada | 3,347.97 mi (5,388.04 km) |
| Harrison to Almargem | 3,337.65 mi (5,371.44 km) |
| Harrison to Almeirim | 3,359.69 mi (5,406.90 km) |
| Harrison to Amadora | 3,342.78 mi (5,379.68 km) |
| Harrison to Amarante | 3,329.38 mi (5,358.13 km) |
| Harrison to Amares | 3,307.36 mi (5,322.68 km) |
| Harrison to Amora | 3,351.45 mi (5,393.63 km) |
| Harrison to Anadia | 3,334.27 mi (5,365.99 km) |
| Harrison to Angra do Heroismo | 2,443.29 mi (3,932.09 km) |
| Harrison to Ansiao | 3,348.50 mi (5,388.89 km) |
| Harrison to Anta | 3,309.52 mi (5,326.16 km) |
