| Rhondda to Wells Branch (Texas) | 4,771.57 mi (7,679.09 km) |
| Rhondda to Wenatchee (Washington) | 4,644.29 mi (7,474.27 km) |
| Rhondda to Wentzville (Missouri) | 4,086.53 mi (6,576.63 km) |
| Rhondda to Weslaco (Texas) | 5,007.29 mi (8,058.46 km) |
| Rhondda to Wesley Chapel (Florida) | 4,255.23 mi (6,848.13 km) |
| Rhondda to West Allis (Wisconsin) | 3,782.11 mi (6,086.72 km) |
| Rhondda to West Babylon (New York) | 3,297.31 mi (5,306.51 km) |
| Rhondda to West Bend (Wisconsin) | 3,769.42 mi (6,066.30 km) |
| Rhondda to West Carrollton (Ohio) | 3,785.95 mi (6,092.90 km) |
| Rhondda to West Carson (California) | 5,343.00 mi (8,598.73 km) |
| Rhondda to West Chester (Pennsylvania) | 3,422.32 mi (5,507.69 km) |
| Rhondda to West Chicago (Illinois) | 3,840.10 mi (6,180.04 km) |
| Rhondda to West Columbia (South Carolina) | 3,921.79 mi (6,311.51 km) |
| Rhondda to West Covina (California) | 5,317.23 mi (8,557.25 km) |
| Rhondda to West Des Moines (Iowa) | 4,067.47 mi (6,545.95 km) |
