| Highlands Ranch to Ashtabula (Ohio) | 1,271.98 mi (2,047.05 km) |
| Highlands Ranch to Ashwaubenon (Wisconsin) | 929.24 mi (1,495.46 km) |
| Highlands Ranch to Aspen Hill (Maryland) | 1,485.06 mi (2,389.98 km) |
| Highlands Ranch to Astoria (Oregon) | 1,055.02 mi (1,697.90 km) |
| Highlands Ranch to Atascadero (California) | 904.37 mi (1,455.44 km) |
| Highlands Ranch to Atascocita (Texas) | 861.74 mi (1,386.84 km) |
| Highlands Ranch to Atchison (Kansas) | 523.64 mi (842.72 km) |
| Highlands Ranch to Athens (Alabama) | 1,043.11 mi (1,678.72 km) |
| Highlands Ranch to Athens (Georgia) | 1,253.16 mi (2,016.77 km) |
| Highlands Ranch to Athens (Ohio) | 1,217.34 mi (1,959.13 km) |
| Highlands Ranch to Athens (Tennessee) | 1,148.75 mi (1,848.73 km) |
| Highlands Ranch to Athens (Texas) | 719.53 mi (1,157.97 km) |
| Highlands Ranch to Atlanta (Georgia) | 1,203.73 mi (1,937.21 km) |
| Highlands Ranch to Atlantic Beach (Florida) | 1,472.10 mi (2,369.12 km) |
| Highlands Ranch to Atlantic City (New Jersey) | 1,620.10 mi (2,607.31 km) |
