| Thornton to Harrison (Wisconsin) | 3,726.47 mi (5,997.17 km) |
| Thornton to Harrisonburg (Virginia) | 3,643.71 mi (5,863.99 km) |
| Thornton to Hartford (Connecticut) | 3,246.81 mi (5,225.23 km) |
| Thornton to Hartford (Wisconsin) | 3,770.89 mi (6,068.66 km) |
| Thornton to Hartselle (Alabama) | 4,154.70 mi (6,686.34 km) |
| Thornton to Hartsville (Tennessee) | 4,026.19 mi (6,479.52 km) |
| Thornton to Harvey (Illinois) | 3,826.49 mi (6,158.14 km) |
| Thornton to Harvey (Louisiana) | 4,511.22 mi (7,260.10 km) |
| Thornton to Hasbrouck Heights (New Jersey) | 3,342.26 mi (5,378.85 km) |
| Thornton to Haslett (Michigan) | 3,651.34 mi (5,876.26 km) |
| Thornton to Hastings (Minnesota) | 3,862.95 mi (6,216.81 km) |
| Thornton to Hastings (Nebraska) | 4,263.67 mi (6,861.71 km) |
| Thornton to Hattiesburg (Mississippi) | 4,407.84 mi (7,093.74 km) |
| Thornton to Hauppauge (New York) | 3,310.12 mi (5,327.12 km) |
| Thornton to Havelock (North Carolina) | 3,736.24 mi (6,012.90 km) |
