| Rhondda to Hicksville (New York) | 3,302.00 mi (5,314.06 km) |
| Rhondda to Hidalgo (Texas) | 5,020.38 mi (8,079.52 km) |
| Rhondda to High Point (North Carolina) | 3,782.21 mi (6,086.88 km) |
| Rhondda to Highland (California) | 5,289.23 mi (8,512.20 km) |
| Rhondda to Highland (Illinois) | 4,042.88 mi (6,506.38 km) |
| Rhondda to Highland (Indiana) | 3,826.34 mi (6,157.89 km) |
| Rhondda to Highland (Utah) | 4,763.49 mi (7,666.09 km) |
| Rhondda to Highland City (Florida) | 4,248.74 mi (6,837.69 km) |
| Rhondda to Highland Park (Illinois) | 3,811.05 mi (6,133.29 km) |
| Rhondda to Highland Park (New Jersey) | 3,350.49 mi (5,392.10 km) |
| Rhondda to Highland Springs (Virginia) | 3,600.33 mi (5,794.17 km) |
| Rhondda to Highland Village (Texas) | 4,611.35 mi (7,421.26 km) |
| Rhondda to Highlands Ranch (Colorado) | 4,575.73 mi (7,363.92 km) |
| Rhondda to Hillcrest (California) | 5,276.99 mi (8,492.50 km) |
| Rhondda to Hillcrest Heights (Maryland) | 3,527.63 mi (5,677.17 km) |
