| Killarney to Hilliard (Ohio) | 3,469.99 mi (5,584.40 km) |
| Killarney to Hillsboro (Oregon) | 4,625.97 mi (7,444.78 km) |
| Killarney to Hillsborough (California) | 5,047.70 mi (8,123.48 km) |
| Killarney to Hillsborough (New Jersey) | 3,099.99 mi (4,988.95 km) |
| Killarney to Hilo (Hawaii) | 7,063.46 mi (11,367.54 km) |
| Killarney to Hilton Head Island (South Carolina) | 3,732.68 mi (6,007.17 km) |
| Killarney to Hinesville (Georgia) | 3,786.56 mi (6,093.87 km) |
| Killarney to Hinsdale (Illinois) | 3,582.75 mi (5,765.88 km) |
| Killarney to Hobart (Indiana) | 3,569.61 mi (5,744.73 km) |
| Killarney to Hobbs (New Mexico) | 4,617.65 mi (7,431.38 km) |
| Killarney to Hobe Sound (Florida) | 3,957.99 mi (6,369.78 km) |
| Killarney to Hoboken (New Jersey) | 3,064.00 mi (4,931.04 km) |
| Killarney to Hockessin (Delaware) | 3,173.60 mi (5,107.41 km) |
| Killarney to Hoffman Estates (Illinois) | 3,579.71 mi (5,760.99 km) |
| Killarney to Holbrook (New York) | 3,022.08 mi (4,863.56 km) |
