| Castle Rock to Princeton (Florida) | 1,707.61 mi (2,748.13 km) |
| Castle Rock to Princeton (New Jersey) | 1,594.39 mi (2,565.92 km) |
| Castle Rock to Princeton (Texas) | 631.67 mi (1,016.57 km) |
| Castle Rock to Princeton Meadows (New Jersey) | 1,600.02 mi (2,574.99 km) |
| Castle Rock to Prineville (Oregon) | 889.53 mi (1,431.55 km) |
| Castle Rock to Prior Lake (Minnesota) | 691.36 mi (1,112.63 km) |
| Castle Rock to Progress (Pennsylvania) | 1,481.50 mi (2,384.25 km) |
| Castle Rock to Prospect Heights (Illinois) | 904.33 mi (1,455.38 km) |
| Castle Rock to Prosper (Texas) | 616.29 mi (991.82 km) |
| Castle Rock to Providence (Rhode Island) | 1,751.04 mi (2,818.02 km) |
| Castle Rock to Provo (Utah) | 365.37 mi (588.00 km) |
| Castle Rock to Prunedale (California) | 929.32 mi (1,495.59 km) |
| Castle Rock to Pueblo (Colorado) | 77.53 mi (124.78 km) |
| Castle Rock to Pueblo West (Colorado) | 71.49 mi (115.05 km) |
| Castle Rock to Pullman (Washington) | 801.45 mi (1,289.81 km) |
