| Romford to Hilliard (Ohio) | 3,869.39 mi (6,227.18 km) |
| Romford to Hillsboro (Oregon) | 4,923.95 mi (7,924.33 km) |
| Romford to Hillsborough (California) | 5,370.45 mi (8,642.91 km) |
| Romford to Hillsborough (New Jersey) | 3,507.50 mi (5,644.77 km) |
| Romford to Hilo (Hawaii) | 7,290.47 mi (11,732.87 km) |
| Romford to Hilton Head Island (South Carolina) | 4,144.38 mi (6,669.73 km) |
| Romford to Hinesville (Georgia) | 4,197.98 mi (6,756.00 km) |
| Romford to Hinsdale (Illinois) | 3,971.94 mi (6,392.22 km) |
| Romford to Hobart (Indiana) | 3,960.42 mi (6,373.69 km) |
| Romford to Hobbs (New Mexico) | 4,999.97 mi (8,046.68 km) |
| Romford to Hobe Sound (Florida) | 4,372.43 mi (7,036.74 km) |
| Romford to Hoboken (New Jersey) | 3,471.71 mi (5,587.18 km) |
| Romford to Hockessin (Delaware) | 3,581.23 mi (5,763.43 km) |
| Romford to Hoffman Estates (Illinois) | 3,967.95 mi (6,385.80 km) |
| Romford to Holbrook (New York) | 3,430.51 mi (5,520.87 km) |
