| Holyhead to Haverhill (Massachusetts) | 3,037.27 mi (4,888.01 km) |
| Holyhead to Havre de Grace (Maryland) | 3,381.15 mi (5,441.44 km) |
| Holyhead to Hawaiian Gardens (California) | 5,222.21 mi (8,404.33 km) |
| Holyhead to Hawaiian Paradise Park (Hawaii) | 7,098.14 mi (11,423.35 km) |
| Holyhead to Hawthorne (California) | 5,226.32 mi (8,410.94 km) |
| Holyhead to Hawthorne (New Jersey) | 3,239.43 mi (5,213.37 km) |
| Holyhead to Hayden (Idaho) | 4,405.20 mi (7,089.48 km) |
| Holyhead to Hayesville (Oregon) | 4,734.32 mi (7,619.16 km) |
| Holyhead to Hays (Kansas) | 4,302.35 mi (6,923.96 km) |
| Holyhead to Haysville (Kansas) | 4,297.57 mi (6,916.28 km) |
| Holyhead to Hayward (California) | 5,129.76 mi (8,255.55 km) |
| Holyhead to Hazel Crest (Illinois) | 3,739.10 mi (6,017.50 km) |
| Holyhead to Hazel Dell (Washington) | 4,685.69 mi (7,540.90 km) |
| Holyhead to Hazel Park (Michigan) | 3,522.91 mi (5,669.57 km) |
| Holyhead to Hazelwood (Missouri) | 3,975.04 mi (6,397.21 km) |
