| Thornton to Hormigueros (Puerto Rico) | 4,208.81 mi (6,773.43 km) |
| Thornton to Horn Lake (Mississippi) | 4,247.96 mi (6,836.44 km) |
| Thornton to Hot Springs (Arkansas) | 4,385.26 mi (7,057.39 km) |
| Thornton to Hot Springs Village (Arkansas) | 4,373.35 mi (7,038.23 km) |
| Thornton to Houma (Louisiana) | 4,552.27 mi (7,326.17 km) |
| Thornton to Houston (Texas) | 4,721.51 mi (7,598.53 km) |
| Thornton to Howard (Wisconsin) | 3,701.44 mi (5,956.89 km) |
| Thornton to Huber Heights (Ohio) | 3,777.88 mi (6,079.91 km) |
| Thornton to Hudson (Florida) | 4,299.23 mi (6,918.94 km) |
| Thornton to Hudson (Ohio) | 3,610.45 mi (5,810.46 km) |
| Thornton to Hudson (Wisconsin) | 3,847.43 mi (6,191.85 km) |
| Thornton to Hueytown (Alabama) | 4,209.57 mi (6,774.65 km) |
| Thornton to Hugo (Minnesota) | 3,845.57 mi (6,188.84 km) |
| Thornton to Humacao (Puerto Rico) | 4,156.06 mi (6,688.53 km) |
| Thornton to Humble (Texas) | 4,705.83 mi (7,573.30 km) |
