| Rhondda to Harrison (Wisconsin) | 3,738.90 mi (6,017.18 km) |
| Rhondda to Harrisonburg (Virginia) | 3,624.09 mi (5,832.41 km) |
| Rhondda to Hartford (Connecticut) | 3,225.18 mi (5,190.42 km) |
| Rhondda to Hartford (Wisconsin) | 3,781.19 mi (6,085.24 km) |
| Rhondda to Hartselle (Alabama) | 4,140.68 mi (6,663.79 km) |
| Rhondda to Hartsville (Tennessee) | 4,015.22 mi (6,461.88 km) |
| Rhondda to Harvey (Illinois) | 3,831.12 mi (6,165.59 km) |
| Rhondda to Harvey (Louisiana) | 4,493.47 mi (7,231.54 km) |
| Rhondda to Hasbrouck Heights (New Jersey) | 3,320.47 mi (5,343.79 km) |
| Rhondda to Haslett (Michigan) | 3,653.28 mi (5,879.39 km) |
| Rhondda to Hastings (Minnesota) | 3,884.38 mi (6,251.30 km) |
| Rhondda to Hastings (Nebraska) | 4,284.95 mi (6,895.96 km) |
| Rhondda to Hattiesburg (Mississippi) | 4,391.59 mi (7,067.59 km) |
| Rhondda to Hauppauge (New York) | 3,286.62 mi (5,289.31 km) |
| Rhondda to Havelock (North Carolina) | 3,703.71 mi (5,960.54 km) |
