| Boulder City to Amelia | 6,084.91 mi (9,792.72 km) |
| Boulder City to Anagni | 6,152.10 mi (9,900.84 km) |
| Boulder City to Ancona | 6,063.81 mi (9,758.76 km) |
| Boulder City to Andria | 6,281.95 mi (10,109.82 km) |
| Boulder City to Angri | 6,252.36 mi (10,062.20 km) |
| Boulder City to Anguillara Sabazia | 6,104.59 mi (9,824.39 km) |
| Boulder City to Anzio | 6,150.21 mi (9,897.81 km) |
| Boulder City to Anzola dell'Emilia | 5,940.34 mi (9,560.05 km) |
| Boulder City to Aosta | 5,752.46 mi (9,257.68 km) |
| Boulder City to Apricena | 6,224.42 mi (10,017.24 km) |
| Boulder City to Aprilia | 6,143.73 mi (9,887.37 km) |
| Boulder City to Aradeo | 6,399.53 mi (10,299.04 km) |
| Boulder City to Aragona | 6,399.04 mi (10,298.26 km) |
| Boulder City to Arco | 5,859.10 mi (9,429.31 km) |
| Boulder City to Arcola | 5,920.25 mi (9,527.72 km) |
