| Rhondda to Wixom (Michigan) | 3,629.40 mi (5,840.95 km) |
| Rhondda to Woburn (Massachusetts) | 3,132.58 mi (5,041.40 km) |
| Rhondda to Wolf Trap (Virginia) | 3,536.26 mi (5,691.07 km) |
| Rhondda to Wood Dale (Illinois) | 3,827.43 mi (6,159.66 km) |
| Rhondda to Wood River (Illinois) | 4,053.48 mi (6,523.44 km) |
| Rhondda to Woodbridge (Virginia) | 3,548.48 mi (5,710.73 km) |
| Rhondda to Woodburn (Oregon) | 4,843.23 mi (7,794.42 km) |
| Rhondda to Woodburn (Virginia) | 3,538.09 mi (5,694.01 km) |
| Rhondda to Woodbury (Minnesota) | 3,878.93 mi (6,242.53 km) |
| Rhondda to Woodbury (New York) | 3,301.77 mi (5,313.68 km) |
| Rhondda to Woodcrest (California) | 5,309.08 mi (8,544.14 km) |
| Rhondda to Woodhaven (Michigan) | 3,635.00 mi (5,849.97 km) |
| Rhondda to Woodinville (Washington) | 4,676.83 mi (7,526.63 km) |
| Rhondda to Woodland (California) | 5,178.29 mi (8,333.65 km) |
| Rhondda to Woodlawn (Maryland) | 3,498.03 mi (5,629.54 km) |
