| Rhondda to Keizer (Oregon) | 4,855.99 mi (7,814.96 km) |
| Rhondda to Keller (Texas) | 4,625.74 mi (7,444.40 km) |
| Rhondda to Kelso (Washington) | 4,788.95 mi (7,707.07 km) |
| Rhondda to Kemp Mill (Maryland) | 3,520.94 mi (5,666.40 km) |
| Rhondda to Ken Caryl (Colorado) | 4,579.00 mi (7,369.18 km) |
| Rhondda to Kendale Lakes (Florida) | 4,299.44 mi (6,919.28 km) |
| Rhondda to Kendall (Florida) | 4,299.16 mi (6,918.82 km) |
| Rhondda to Kendall Park (New Jersey) | 3,359.78 mi (5,407.05 km) |
| Rhondda to Kendall West (Florida) | 4,300.84 mi (6,921.54 km) |
| Rhondda to Kenmore (New York) | 3,425.76 mi (5,513.23 km) |
| Rhondda to Kenmore (Washington) | 4,679.90 mi (7,531.56 km) |
| Rhondda to Kenner (Louisiana) | 4,494.96 mi (7,233.94 km) |
| Rhondda to Kennesaw (Georgia) | 4,065.80 mi (6,543.27 km) |
| Rhondda to Kennett (Missouri) | 4,178.28 mi (6,724.28 km) |
| Rhondda to Kennewick (Washington) | 4,679.64 mi (7,531.15 km) |
