| Great Falls to Alenquer | 4,790.65 mi (7,709.80 km) |
| Great Falls to Alfena | 4,702.23 mi (7,567.51 km) |
| Great Falls to Alijo | 4,738.97 mi (7,626.63 km) |
| Great Falls to Aljustrel | 4,878.70 mi (7,851.51 km) |
| Great Falls to Almada | 4,803.38 mi (7,730.30 km) |
| Great Falls to Almargem | 4,790.90 mi (7,710.20 km) |
| Great Falls to Almeirim | 4,798.40 mi (7,722.28 km) |
| Great Falls to Amadora | 4,797.93 mi (7,721.53 km) |
| Great Falls to Amarante | 4,717.73 mi (7,592.45 km) |
| Great Falls to Amares | 4,690.89 mi (7,549.25 km) |
| Great Falls to Amora | 4,807.52 mi (7,736.95 km) |
| Great Falls to Anadia | 4,744.87 mi (7,636.13 km) |
| Great Falls to Angra do Heroismo | 4,077.04 mi (6,561.36 km) |
| Great Falls to Ansiao | 4,770.14 mi (7,676.80 km) |
| Great Falls to Anta | 4,709.77 mi (7,579.64 km) |
