| Thornton to Grovetown (Georgia) | 4,019.56 mi (6,468.85 km) |
| Thornton to Guayama (Puerto Rico) | 4,177.42 mi (6,722.91 km) |
| Thornton to Guaynabo (Puerto Rico) | 4,155.21 mi (6,687.17 km) |
| Thornton to Gulf Shores (Alabama) | 4,398.46 mi (7,078.63 km) |
| Thornton to Gulfport (Florida) | 4,331.97 mi (6,971.62 km) |
| Thornton to Gulfport (Mississippi) | 4,444.13 mi (7,152.13 km) |
| Thornton to Gunbarrel (Colorado) | 4,523.64 mi (7,280.09 km) |
| Thornton to Gurnee (Illinois) | 3,800.35 mi (6,116.08 km) |
| Thornton to Guthrie (Oklahoma) | 4,476.96 mi (7,204.97 km) |
| Thornton to Guttenberg (New Jersey) | 3,342.68 mi (5,379.53 km) |
| Thornton to Guymon (Oklahoma) | 4,576.91 mi (7,365.82 km) |
| Thornton to Hacienda Heights (California) | 5,277.22 mi (8,492.87 km) |
| Thornton to Hackensack (New Jersey) | 3,339.92 mi (5,375.09 km) |
| Thornton to Hackettstown (New Jersey) | 3,372.14 mi (5,426.93 km) |
| Thornton to Hagerstown (Maryland) | 3,541.71 mi (5,699.84 km) |
