| Highlands Ranch to Alenquer | 4,849.41 mi (7,804.37 km) |
| Highlands Ranch to Alfena | 4,783.53 mi (7,698.35 km) |
| Highlands Ranch to Alijo | 4,826.58 mi (7,767.64 km) |
| Highlands Ranch to Aljustrel | 4,932.47 mi (7,938.04 km) |
| Highlands Ranch to Almada | 4,858.00 mi (7,818.20 km) |
| Highlands Ranch to Almargem | 4,846.35 mi (7,799.44 km) |
| Highlands Ranch to Almeirim | 4,860.86 mi (7,822.80 km) |
| Highlands Ranch to Amadora | 4,852.59 mi (7,809.48 km) |
| Highlands Ranch to Amarante | 4,801.89 mi (7,727.90 km) |
| Highlands Ranch to Amares | 4,776.70 mi (7,687.35 km) |
| Highlands Ranch to Amora | 4,861.89 mi (7,824.46 km) |
| Highlands Ranch to Anadia | 4,819.44 mi (7,756.15 km) |
| Highlands Ranch to Angra do Heroismo | 4,028.51 mi (6,483.27 km) |
| Highlands Ranch to Ansiao | 4,840.09 mi (7,789.37 km) |
| Highlands Ranch to Anta | 4,788.42 mi (7,706.21 km) |
