| Llanelli to Harrison (Wisconsin) | 3,708.47 mi (5,968.20 km) |
| Llanelli to Harrisonburg (Virginia) | 3,592.13 mi (5,780.97 km) |
| Llanelli to Hartford (Connecticut) | 3,193.18 mi (5,138.93 km) |
| Llanelli to Hartford (Wisconsin) | 3,750.61 mi (6,036.02 km) |
| Llanelli to Hartselle (Alabama) | 4,108.88 mi (6,612.61 km) |
| Llanelli to Hartsville (Tennessee) | 3,983.54 mi (6,410.89 km) |
| Llanelli to Harvey (Illinois) | 3,800.19 mi (6,115.82 km) |
| Llanelli to Harvey (Louisiana) | 4,461.53 mi (7,180.15 km) |
| Llanelli to Hasbrouck Heights (New Jersey) | 3,288.47 mi (5,292.27 km) |
| Llanelli to Haslett (Michigan) | 3,622.22 mi (5,829.40 km) |
| Llanelli to Hastings (Minnesota) | 3,854.57 mi (6,203.33 km) |
| Llanelli to Hastings (Nebraska) | 4,255.09 mi (6,847.91 km) |
| Llanelli to Hattiesburg (Mississippi) | 4,359.71 mi (7,016.27 km) |
| Llanelli to Hauppauge (New York) | 3,254.57 mi (5,237.73 km) |
| Llanelli to Havelock (North Carolina) | 3,671.47 mi (5,908.66 km) |
