| Highlands Ranch to Groveton (Virginia) | 1,488.44 mi (2,395.41 km) |
| Highlands Ranch to Grovetown (Georgia) | 1,328.27 mi (2,137.64 km) |
| Highlands Ranch to Guayama (Puerto Rico) | 2,753.90 mi (4,431.97 km) |
| Highlands Ranch to Guaynabo (Puerto Rico) | 2,735.29 mi (4,402.02 km) |
| Highlands Ranch to Gulf Shores (Alabama) | 1,166.07 mi (1,876.61 km) |
| Highlands Ranch to Gulfport (Florida) | 1,511.23 mi (2,432.10 km) |
| Highlands Ranch to Gulfport (Mississippi) | 1,095.82 mi (1,763.55 km) |
| Highlands Ranch to Gunbarrel (Colorado) | 37.56 mi (60.44 km) |
| Highlands Ranch to Gurnee (Illinois) | 908.28 mi (1,461.74 km) |
| Highlands Ranch to Guthrie (Oklahoma) | 484.52 mi (779.77 km) |
| Highlands Ranch to Guttenberg (New Jersey) | 1,628.74 mi (2,621.20 km) |
| Highlands Ranch to Guymon (Oklahoma) | 273.60 mi (440.31 km) |
| Highlands Ranch to Hacienda Heights (California) | 814.09 mi (1,310.16 km) |
| Highlands Ranch to Hackensack (New Jersey) | 1,625.78 mi (2,616.44 km) |
| Highlands Ranch to Hackettstown (New Jersey) | 1,585.63 mi (2,551.82 km) |
