| Omagh to Hilliard (Ohio) | 3,507.07 mi (5,644.08 km) |
| Omagh to Hillsboro (Oregon) | 4,563.78 mi (7,344.69 km) |
| Omagh to Hillsborough (California) | 5,003.14 mi (8,051.78 km) |
| Omagh to Hillsborough (New Jersey) | 3,154.54 mi (5,076.74 km) |
| Omagh to Hilo (Hawaii) | 6,963.22 mi (11,206.22 km) |
| Omagh to Hilton Head Island (South Carolina) | 3,799.14 mi (6,114.12 km) |
| Omagh to Hinesville (Georgia) | 3,851.94 mi (6,199.10 km) |
| Omagh to Hinsdale (Illinois) | 3,603.60 mi (5,799.44 km) |
| Omagh to Hobart (Indiana) | 3,592.81 mi (5,782.07 km) |
| Omagh to Hobbs (New Mexico) | 4,628.97 mi (7,449.61 km) |
| Omagh to Hobe Sound (Florida) | 4,039.39 mi (6,500.76 km) |
| Omagh to Hoboken (New Jersey) | 3,119.11 mi (5,019.72 km) |
| Omagh to Hockessin (Delaware) | 3,228.37 mi (5,195.56 km) |
| Omagh to Hoffman Estates (Illinois) | 3,599.24 mi (5,792.41 km) |
| Omagh to Holbrook (New York) | 3,079.17 mi (4,955.44 km) |
