| Killarney to Hormigueros (Puerto Rico) | 3,872.30 mi (6,231.87 km) |
| Killarney to Horn Lake (Mississippi) | 3,985.52 mi (6,414.07 km) |
| Killarney to Hot Springs (Arkansas) | 4,129.30 mi (6,645.46 km) |
| Killarney to Hot Springs Village (Arkansas) | 4,117.67 mi (6,626.75 km) |
| Killarney to Houma (Louisiana) | 4,276.39 mi (6,882.18 km) |
| Killarney to Houston (Texas) | 4,458.35 mi (7,175.02 km) |
| Killarney to Howard (Wisconsin) | 3,468.32 mi (5,581.73 km) |
| Killarney to Huber Heights (Ohio) | 3,516.54 mi (5,659.33 km) |
| Killarney to Hudson (Florida) | 4,001.66 mi (6,440.04 km) |
| Killarney to Hudson (Ohio) | 3,347.62 mi (5,387.47 km) |
| Killarney to Hudson (Wisconsin) | 3,628.04 mi (5,838.77 km) |
| Killarney to Hueytown (Alabama) | 3,934.97 mi (6,332.73 km) |
| Killarney to Hugo (Minnesota) | 3,627.63 mi (5,838.10 km) |
| Killarney to Humacao (Puerto Rico) | 3,818.59 mi (6,145.43 km) |
| Killarney to Humble (Texas) | 4,442.90 mi (7,150.15 km) |
