| Highlands Ranch to Allison Park (Pennsylvania) | 1,320.13 mi (2,124.54 km) |
| Highlands Ranch to Allouez (Wisconsin) | 932.09 mi (1,500.05 km) |
| Highlands Ranch to Aloha (Oregon) | 997.22 mi (1,604.87 km) |
| Highlands Ranch to Alpena (Michigan) | 1,160.46 mi (1,867.58 km) |
| Highlands Ranch to Alpharetta (Georgia) | 1,202.52 mi (1,935.27 km) |
| Highlands Ranch to Alpine (California) | 802.74 mi (1,291.88 km) |
| Highlands Ranch to Alpine (Utah) | 365.47 mi (588.17 km) |
| Highlands Ranch to Alsip (Illinois) | 914.31 mi (1,471.44 km) |
| Highlands Ranch to Altadena (California) | 814.98 mi (1,311.59 km) |
| Highlands Ranch to Altamont (Oregon) | 892.83 mi (1,436.88 km) |
| Highlands Ranch to Altamonte Springs (Florida) | 1,537.28 mi (2,474.02 km) |
| Highlands Ranch to Alton (Illinois) | 793.52 mi (1,277.05 km) |
| Highlands Ranch to Alton (Texas) | 993.11 mi (1,598.26 km) |
| Highlands Ranch to Altoona (Iowa) | 619.74 mi (997.38 km) |
| Highlands Ranch to Altoona (Pennsylvania) | 1,402.07 mi (2,256.41 km) |
