| Holyhead to Hicksville (New York) | 3,222.66 mi (5,186.37 km) |
| Holyhead to Hidalgo (Texas) | 4,932.79 mi (7,938.56 km) |
| Holyhead to High Point (North Carolina) | 3,703.46 mi (5,960.14 km) |
| Holyhead to Highland (California) | 5,176.66 mi (8,331.03 km) |
| Holyhead to Highland (Illinois) | 3,949.65 mi (6,356.34 km) |
| Holyhead to Highland (Indiana) | 3,731.52 mi (6,005.31 km) |
| Holyhead to Highland (Utah) | 4,650.49 mi (7,484.24 km) |
| Holyhead to Highland City (Florida) | 4,179.72 mi (6,726.61 km) |
| Holyhead to Highland Park (Illinois) | 3,715.06 mi (5,978.81 km) |
| Holyhead to Highland Park (New Jersey) | 3,270.61 mi (5,263.54 km) |
| Holyhead to Highland Springs (Virginia) | 3,522.22 mi (5,668.47 km) |
| Holyhead to Highland Village (Texas) | 4,517.44 mi (7,270.12 km) |
| Holyhead to Highlands Ranch (Colorado) | 4,468.32 mi (7,191.06 km) |
| Holyhead to Hillcrest (California) | 5,162.39 mi (8,308.06 km) |
| Holyhead to Hillcrest Heights (Maryland) | 3,447.77 mi (5,548.65 km) |
