| Castle Rock to Kilgore (Texas) | 737.65 mi (1,187.14 km) |
| Castle Rock to Killeen (Texas) | 699.89 mi (1,126.36 km) |
| Castle Rock to King City (California) | 913.83 mi (1,470.67 km) |
| Castle Rock to King of Prussia (Pennsylvania) | 1,559.49 mi (2,509.76 km) |
| Castle Rock to Kingman (Arizona) | 579.14 mi (932.04 km) |
| Castle Rock to Kings Mountain (North Carolina) | 1,318.97 mi (2,122.68 km) |
| Castle Rock to Kings Park (New York) | 1,663.81 mi (2,677.64 km) |
| Castle Rock to Kings Park West (Virginia) | 1,472.47 mi (2,369.71 km) |
| Castle Rock to Kingsburg (California) | 824.10 mi (1,326.26 km) |
| Castle Rock to Kingsland (Georgia) | 1,429.63 mi (2,300.76 km) |
| Castle Rock to Kingsport (Tennessee) | 1,228.08 mi (1,976.40 km) |
| Castle Rock to Kingston (New York) | 1,618.27 mi (2,604.35 km) |
| Castle Rock to Kingston (Pennsylvania) | 1,524.38 mi (2,453.25 km) |
| Castle Rock to Kingstowne (Virginia) | 1,481.15 mi (2,383.69 km) |
| Castle Rock to Kingsville (Texas) | 912.90 mi (1,469.18 km) |
