| Llantrisant to Harrison (Wisconsin) | 3,742.92 mi (6,023.65 km) |
| Llantrisant to Harrisonburg (Virginia) | 3,627.33 mi (5,837.62 km) |
| Llantrisant to Hartford (Connecticut) | 3,228.38 mi (5,195.58 km) |
| Llantrisant to Hartford (Wisconsin) | 3,785.16 mi (6,091.63 km) |
| Llantrisant to Hartselle (Alabama) | 4,144.06 mi (6,669.21 km) |
| Llantrisant to Hartsville (Tennessee) | 4,018.68 mi (6,467.44 km) |
| Llantrisant to Harvey (Illinois) | 3,834.96 mi (6,171.78 km) |
| Llantrisant to Harvey (Louisiana) | 4,496.73 mi (7,236.79 km) |
| Llantrisant to Hasbrouck Heights (New Jersey) | 3,323.67 mi (5,348.93 km) |
| Llantrisant to Haslett (Michigan) | 3,657.07 mi (5,885.48 km) |
| Llantrisant to Hastings (Minnesota) | 3,888.59 mi (6,258.08 km) |
| Llantrisant to Hastings (Nebraska) | 4,289.15 mi (6,902.72 km) |
| Llantrisant to Hattiesburg (Mississippi) | 4,394.90 mi (7,072.91 km) |
| Llantrisant to Hauppauge (New York) | 3,289.77 mi (5,294.38 km) |
| Llantrisant to Havelock (North Carolina) | 3,706.59 mi (5,965.18 km) |
