| Castle Rock to Point Pleasant (New Jersey) | 1,628.34 mi (2,620.56 km) |
| Castle Rock to Pomona (California) | 802.76 mi (1,291.92 km) |
| Castle Rock to Pompano Beach (Florida) | 1,689.58 mi (2,719.11 km) |
| Castle Rock to Pompton Lakes (New Jersey) | 1,609.07 mi (2,589.55 km) |
| Castle Rock to Pompton Plains (New Jersey) | 1,608.20 mi (2,588.16 km) |
| Castle Rock to Ponca City (Oklahoma) | 461.36 mi (742.49 km) |
| Castle Rock to Ponce (Puerto Rico) | 2,716.79 mi (4,372.25 km) |
| Castle Rock to Pontiac (Illinois) | 861.53 mi (1,386.50 km) |
| Castle Rock to Pontiac (Michigan) | 1,143.54 mi (1,840.34 km) |
| Castle Rock to Pooler (Georgia) | 1,410.35 mi (2,269.75 km) |
| Castle Rock to Poplar Bluff (Missouri) | 804.98 mi (1,295.49 km) |
| Castle Rock to Poquoson (Virginia) | 1,547.46 mi (2,490.39 km) |
| Castle Rock to Port Angeles (Washington) | 1,103.09 mi (1,775.25 km) |
| Castle Rock to Port Arthur (Texas) | 903.47 mi (1,454.00 km) |
| Castle Rock to Port Charlotte (Florida) | 1,561.70 mi (2,513.31 km) |
