| Rhondda to Kaneohe (Hawaii) | 7,158.03 mi (11,519.74 km) |
| Rhondda to Kankakee (Illinois) | 3,862.54 mi (6,216.15 km) |
| Rhondda to Kannapolis (North Carolina) | 3,832.99 mi (6,168.60 km) |
| Rhondda to Kansas City (Kansas) | 4,220.79 mi (6,792.71 km) |
| Rhondda to Kansas City (Missouri) | 4,213.55 mi (6,781.05 km) |
| Rhondda to Kapaa (Hawaii) | 7,139.34 mi (11,489.66 km) |
| Rhondda to Kapolei (Hawaii) | 7,167.35 mi (11,534.73 km) |
| Rhondda to Katy (Texas) | 4,731.98 mi (7,615.39 km) |
| Rhondda to Kaukauna (Wisconsin) | 3,734.03 mi (6,009.34 km) |
| Rhondda to Kaysville (Utah) | 4,736.24 mi (7,622.25 km) |
| Rhondda to Kearney (Missouri) | 4,194.92 mi (6,751.08 km) |
| Rhondda to Kearney (Nebraska) | 4,305.17 mi (6,928.50 km) |
| Rhondda to Kearns (Utah) | 4,758.55 mi (7,658.15 km) |
| Rhondda to Kearny (New Jersey) | 3,327.02 mi (5,354.32 km) |
| Rhondda to Keene (New Hampshire) | 3,160.77 mi (5,086.76 km) |
