| Sligo to Hilliard (Ohio) | 3,467.27 mi (5,580.04 km) |
| Sligo to Hillsboro (Oregon) | 4,546.50 mi (7,316.88 km) |
| Sligo to Hillsborough (California) | 4,981.39 mi (8,016.77 km) |
| Sligo to Hillsborough (New Jersey) | 3,111.64 mi (5,007.70 km) |
| Sligo to Hilo (Hawaii) | 6,957.41 mi (11,196.87 km) |
| Sligo to Hilton Head Island (South Carolina) | 3,754.52 mi (6,042.32 km) |
| Sligo to Hinesville (Georgia) | 3,807.50 mi (6,127.58 km) |
| Sligo to Hinsdale (Illinois) | 3,566.88 mi (5,740.34 km) |
| Sligo to Hobart (Indiana) | 3,555.63 mi (5,722.23 km) |
| Sligo to Hobbs (New Mexico) | 4,594.42 mi (7,394.01 km) |
| Sligo to Hobe Sound (Florida) | 3,992.65 mi (6,425.54 km) |
| Sligo to Hoboken (New Jersey) | 3,076.11 mi (4,950.52 km) |
| Sligo to Hockessin (Delaware) | 3,185.46 mi (5,126.50 km) |
| Sligo to Hoffman Estates (Illinois) | 3,562.77 mi (5,733.73 km) |
| Sligo to Holbrook (New York) | 3,035.83 mi (4,885.70 km) |
