| Highlands Ranch to Ascoli Piceno | 5,571.31 mi (8,966.16 km) |
| Highlands Ranch to Asola | 5,344.46 mi (8,601.08 km) |
| Highlands Ranch to Asolo | 5,367.54 mi (8,638.22 km) |
| Highlands Ranch to Assemini | 5,579.89 mi (8,979.96 km) |
| Highlands Ranch to Assisi | 5,526.31 mi (8,893.74 km) |
| Highlands Ranch to Asti | 5,281.77 mi (8,500.19 km) |
| Highlands Ranch to Atessa | 5,641.02 mi (9,078.34 km) |
| Highlands Ranch to Atri | 5,598.64 mi (9,010.14 km) |
| Highlands Ranch to Atripalda | 5,712.67 mi (9,193.65 km) |
| Highlands Ranch to Augusta | 5,914.48 mi (9,518.44 km) |
| Highlands Ranch to Aulla | 5,377.00 mi (8,653.44 km) |
| Highlands Ranch to Aurisina | 5,432.43 mi (8,742.65 km) |
| Highlands Ranch to Avellino | 5,711.37 mi (9,191.57 km) |
| Highlands Ranch to Aversa | 5,688.02 mi (9,153.98 km) |
| Highlands Ranch to Avezzano | 5,606.92 mi (9,023.47 km) |
