| Watford to Hilliard (Ohio) | 3,844.56 mi (6,187.22 km) |
| Watford to Hillsboro (Oregon) | 4,904.35 mi (7,892.79 km) |
| Watford to Hillsborough (California) | 5,349.56 mi (8,609.29 km) |
| Watford to Hillsborough (New Jersey) | 3,482.35 mi (5,604.31 km) |
| Watford to Hilo (Hawaii) | 7,275.34 mi (11,708.53 km) |
| Watford to Hilton Head Island (South Carolina) | 4,119.12 mi (6,629.08 km) |
| Watford to Hinesville (Georgia) | 4,172.73 mi (6,715.35 km) |
| Watford to Hinsdale (Illinois) | 3,947.56 mi (6,352.98 km) |
| Watford to Hobart (Indiana) | 3,935.97 mi (6,334.33 km) |
| Watford to Hobbs (New Mexico) | 4,975.96 mi (8,008.04 km) |
| Watford to Hobe Sound (Florida) | 4,347.15 mi (6,996.07 km) |
| Watford to Hoboken (New Jersey) | 3,446.56 mi (5,546.70 km) |
| Watford to Hockessin (Delaware) | 3,556.08 mi (5,722.96 km) |
| Watford to Hoffman Estates (Illinois) | 3,943.62 mi (6,346.64 km) |
| Watford to Holbrook (New York) | 3,405.33 mi (5,480.35 km) |
