| Boulder City to Alenquer | 5,436.13 mi (8,748.61 km) |
| Boulder City to Alfena | 5,365.18 mi (8,634.43 km) |
| Boulder City to Alijo | 5,406.84 mi (8,701.47 km) |
| Boulder City to Aljustrel | 5,520.36 mi (8,884.16 km) |
| Boulder City to Almada | 5,445.57 mi (8,763.79 km) |
| Boulder City to Almargem | 5,433.72 mi (8,744.73 km) |
| Boulder City to Almeirim | 5,446.86 mi (8,765.87 km) |
| Boulder City to Amadora | 5,440.13 mi (8,755.04 km) |
| Boulder City to Amarante | 5,382.91 mi (8,662.96 km) |
| Boulder City to Amares | 5,357.26 mi (8,621.68 km) |
| Boulder City to Amora | 5,449.51 mi (8,770.14 km) |
| Boulder City to Anadia | 5,402.73 mi (8,694.85 km) |
| Boulder City to Angra do Heroismo | 4,627.93 mi (7,447.93 km) |
| Boulder City to Ansiao | 5,424.45 mi (8,729.80 km) |
| Boulder City to Anta | 5,370.70 mi (8,643.31 km) |
