| Thornton Heath to Hilliard (Ohio) | 3,862.85 mi (6,216.65 km) |
| Thornton Heath to Hillsboro (Oregon) | 4,925.81 mi (7,927.33 km) |
| Thornton Heath to Hillsborough (California) | 5,370.83 mi (8,643.52 km) |
| Thornton Heath to Hillsborough (New Jersey) | 3,499.63 mi (5,632.10 km) |
| Thornton Heath to Hilo (Hawaii) | 7,296.48 mi (11,742.55 km) |
| Thornton Heath to Hilton Head Island (South Carolina) | 4,135.57 mi (6,655.56 km) |
| Thornton Heath to Hinesville (Georgia) | 4,189.25 mi (6,741.95 km) |
| Thornton Heath to Hinsdale (Illinois) | 3,966.67 mi (6,383.74 km) |
| Thornton Heath to Hobart (Indiana) | 3,954.97 mi (6,364.91 km) |
| Thornton Heath to Hobbs (New Mexico) | 4,995.53 mi (8,039.53 km) |
| Thornton Heath to Hobe Sound (Florida) | 4,362.47 mi (7,020.72 km) |
| Thornton Heath to Hoboken (New Jersey) | 3,463.80 mi (5,574.45 km) |
| Thornton Heath to Hockessin (Delaware) | 3,573.34 mi (5,750.74 km) |
| Thornton Heath to Hoffman Estates (Illinois) | 3,962.79 mi (6,377.49 km) |
| Thornton Heath to Holbrook (New York) | 3,422.45 mi (5,507.90 km) |
