| Highlands Ranch to Amelia | 5,545.39 mi (8,924.44 km) |
| Highlands Ranch to Anagni | 5,611.98 mi (9,031.60 km) |
| Highlands Ranch to Ancona | 5,530.52 mi (8,900.51 km) |
| Highlands Ranch to Andria | 5,748.67 mi (9,251.59 km) |
| Highlands Ranch to Angri | 5,712.86 mi (9,193.97 km) |
| Highlands Ranch to Anguillara Sabazia | 5,563.25 mi (8,953.18 km) |
| Highlands Ranch to Anzio | 5,607.84 mi (9,024.94 km) |
| Highlands Ranch to Anzola dell'Emilia | 5,404.10 mi (8,697.06 km) |
| Highlands Ranch to Aosta | 5,210.91 mi (8,386.15 km) |
| Highlands Ranch to Apricena | 5,690.43 mi (9,157.87 km) |
| Highlands Ranch to Aprilia | 5,601.82 mi (9,015.26 km) |
| Highlands Ranch to Aradeo | 5,868.19 mi (9,443.94 km) |
| Highlands Ranch to Aragona | 5,847.51 mi (9,410.65 km) |
| Highlands Ranch to Arco | 5,326.64 mi (8,572.40 km) |
| Highlands Ranch to Arcola | 5,379.46 mi (8,657.40 km) |
