| Drogheda to Hilliard (Ohio) | 3,561.17 mi (5,731.15 km) |
| Drogheda to Hillsboro (Oregon) | 4,633.79 mi (7,457.37 km) |
| Drogheda to Hillsborough (California) | 5,071.63 mi (8,162.00 km) |
| Drogheda to Hillsborough (New Jersey) | 3,204.08 mi (5,156.47 km) |
| Drogheda to Hilo (Hawaii) | 7,034.55 mi (11,321.02 km) |
| Drogheda to Hilton Head Island (South Carolina) | 3,845.62 mi (6,188.93 km) |
| Drogheda to Hinesville (Georgia) | 3,898.75 mi (6,274.43 km) |
| Drogheda to Hinsdale (Illinois) | 3,661.39 mi (5,892.44 km) |
| Drogheda to Hobart (Indiana) | 3,650.09 mi (5,874.25 km) |
| Drogheda to Hobbs (New Mexico) | 4,688.98 mi (7,546.18 km) |
| Drogheda to Hobe Sound (Florida) | 4,081.42 mi (6,568.42 km) |
| Drogheda to Hoboken (New Jersey) | 3,168.49 mi (5,099.19 km) |
| Drogheda to Hockessin (Delaware) | 3,277.89 mi (5,275.25 km) |
| Drogheda to Hoffman Estates (Illinois) | 3,657.30 mi (5,885.86 km) |
| Drogheda to Holbrook (New York) | 3,127.99 mi (5,034.02 km) |
