| Castle Rock to Cedar Rapids (Iowa) | 712.44 mi (1,146.57 km) |
| Castle Rock to Cedarburg (Wisconsin) | 914.06 mi (1,471.03 km) |
| Castle Rock to Celebration (Florida) | 1,533.62 mi (2,468.13 km) |
| Castle Rock to Celina (Ohio) | 1,075.21 mi (1,730.38 km) |
| Castle Rock to Celina (Texas) | 613.13 mi (986.73 km) |
| Castle Rock to Centennial (Colorado) | 14.96 mi (24.08 km) |
| Castle Rock to Center Point (Alabama) | 1,081.45 mi (1,740.42 km) |
| Castle Rock to Centereach (New York) | 1,672.55 mi (2,691.71 km) |
| Castle Rock to Centerton (Arkansas) | 611.97 mi (984.87 km) |
| Castle Rock to Centerville (Ohio) | 1,101.67 mi (1,772.97 km) |
| Castle Rock to Centerville (Utah) | 386.37 mi (621.81 km) |
| Castle Rock to Central (Louisiana) | 989.52 mi (1,592.48 km) |
| Castle Rock to Central Falls (Rhode Island) | 1,751.88 mi (2,819.37 km) |
| Castle Rock to Central Islip (New York) | 1,667.43 mi (2,683.48 km) |
| Castle Rock to Central Point (Oregon) | 963.91 mi (1,551.26 km) |
