| Frederick to Alenquer | 3,565.98 mi (5,738.89 km) |
| Frederick to Alfena | 3,531.00 mi (5,682.59 km) |
| Frederick to Alijo | 3,580.42 mi (5,762.13 km) |
| Frederick to Aljustrel | 3,640.00 mi (5,858.02 km) |
| Frederick to Almada | 3,569.29 mi (5,744.21 km) |
| Frederick to Almargem | 3,559.06 mi (5,727.75 km) |
| Frederick to Almeirim | 3,581.46 mi (5,763.81 km) |
| Frederick to Amadora | 3,564.11 mi (5,735.88 km) |
| Frederick to Amarante | 3,552.29 mi (5,716.85 km) |
| Frederick to Amares | 3,530.36 mi (5,681.57 km) |
| Frederick to Amora | 3,572.74 mi (5,749.76 km) |
| Frederick to Anadia | 3,556.75 mi (5,724.03 km) |
| Frederick to Angra do Heroismo | 2,658.55 mi (4,278.52 km) |
| Frederick to Ansiao | 3,570.72 mi (5,746.52 km) |
| Frederick to Anta | 3,532.24 mi (5,684.59 km) |
