| Llanelli to Hilliard (Ohio) | 3,694.03 mi (5,944.96 km) |
| Llanelli to Hillsboro (Oregon) | 4,799.44 mi (7,723.95 km) |
| Llanelli to Hillsborough (California) | 5,234.31 mi (8,423.82 km) |
| Llanelli to Hillsborough (New Jersey) | 3,327.44 mi (5,354.99 km) |
| Llanelli to Hilo (Hawaii) | 7,201.73 mi (11,590.06 km) |
| Llanelli to Hilton Head Island (South Carolina) | 3,961.63 mi (6,375.63 km) |
| Llanelli to Hinesville (Georgia) | 4,015.43 mi (6,462.21 km) |
| Llanelli to Hinsdale (Illinois) | 3,802.08 mi (6,118.86 km) |
| Llanelli to Hobart (Indiana) | 3,789.71 mi (6,098.95 km) |
| Llanelli to Hobbs (New Mexico) | 4,833.95 mi (7,779.49 km) |
| Llanelli to Hobe Sound (Florida) | 4,187.35 mi (6,738.88 km) |
| Llanelli to Hoboken (New Jersey) | 3,291.53 mi (5,297.20 km) |
| Llanelli to Hockessin (Delaware) | 3,401.10 mi (5,473.54 km) |
| Llanelli to Hoffman Estates (Illinois) | 3,798.59 mi (6,113.24 km) |
| Llanelli to Holbrook (New York) | 3,249.88 mi (5,230.17 km) |
