| Rhondda to Wanaque (New Jersey) | 3,321.60 mi (5,345.61 km) |
| Rhondda to Wantagh (New York) | 3,305.47 mi (5,319.63 km) |
| Rhondda to Warner Robins (Georgia) | 4,095.11 mi (6,590.45 km) |
| Rhondda to Warr Acres (Oklahoma) | 4,509.06 mi (7,256.62 km) |
| Rhondda to Warren (Michigan) | 3,610.81 mi (5,811.03 km) |
| Rhondda to Warren (Ohio) | 3,578.16 mi (5,758.49 km) |
| Rhondda to Warrensburg (Missouri) | 4,199.47 mi (6,758.40 km) |
| Rhondda to Warrensville Heights (Ohio) | 3,597.66 mi (5,789.87 km) |
| Rhondda to Warrenville (Illinois) | 3,842.01 mi (6,183.11 km) |
| Rhondda to Warrington (Florida) | 4,354.61 mi (7,008.06 km) |
| Rhondda to Warsaw (Indiana) | 3,777.27 mi (6,078.92 km) |
| Rhondda to Warwick (Rhode Island) | 3,176.14 mi (5,111.50 km) |
| Rhondda to Wasco (California) | 5,278.11 mi (8,494.29 km) |
| Rhondda to Washington (District of Columbia) | 3,526.78 mi (5,675.81 km) |
| Rhondda to Washington (Illinois) | 3,941.76 mi (6,343.65 km) |
