| Castle Rock to Paramus (New Jersey) | 1,620.63 mi (2,608.15 km) |
| Castle Rock to Paris (Kentucky) | 1,109.00 mi (1,784.76 km) |
| Castle Rock to Paris (Tennessee) | 926.28 mi (1,490.71 km) |
| Castle Rock to Paris (Texas) | 649.46 mi (1,045.21 km) |
| Castle Rock to Park Forest (Illinois) | 912.95 mi (1,469.26 km) |
| Castle Rock to Park Ridge (Illinois) | 907.90 mi (1,461.12 km) |
| Castle Rock to Parker (Colorado) | 10.04 mi (16.15 km) |
| Castle Rock to Parker (South Carolina) | 1,269.65 mi (2,043.30 km) |
| Castle Rock to Parkersburg (West Virginia) | 1,242.60 mi (1,999.77 km) |
| Castle Rock to Parkland (Florida) | 1,680.26 mi (2,704.11 km) |
| Castle Rock to Parkland (Washington) | 1,031.24 mi (1,659.62 km) |
| Castle Rock to Parkville (Maryland) | 1,505.21 mi (2,422.41 km) |
| Castle Rock to Parkway (California) | 892.84 mi (1,436.89 km) |
| Castle Rock to Parlier (California) | 821.41 mi (1,321.93 km) |
| Castle Rock to Parma (Ohio) | 1,221.33 mi (1,965.55 km) |
