| Castle Rock to Cottage Grove (Oregon) | 986.66 mi (1,587.88 km) |
| Castle Rock to Cottage Lake (Washington) | 1,034.59 mi (1,665.02 km) |
| Castle Rock to Cottonwood (Arizona) | 508.53 mi (818.40 km) |
| Castle Rock to Cottonwood Heights (Utah) | 378.13 mi (608.55 km) |
| Castle Rock to Council Bluffs (Iowa) | 491.16 mi (790.45 km) |
| Castle Rock to Country Club (Florida) | 1,694.07 mi (2,726.35 km) |
| Castle Rock to Country Club Hills (Illinois) | 911.34 mi (1,466.65 km) |
| Castle Rock to Country Walk (Florida) | 1,701.64 mi (2,738.52 km) |
| Castle Rock to Covina (California) | 807.49 mi (1,299.54 km) |
| Castle Rock to Covington (Georgia) | 1,229.72 mi (1,979.04 km) |
| Castle Rock to Covington (Kentucky) | 1,086.79 mi (1,749.01 km) |
| Castle Rock to Covington (Louisiana) | 1,034.57 mi (1,664.98 km) |
| Castle Rock to Covington (Washington) | 1,023.88 mi (1,647.78 km) |
| Castle Rock to Cranston (Rhode Island) | 1,747.99 mi (2,813.13 km) |
| Castle Rock to Crawfordsville (Indiana) | 953.90 mi (1,535.16 km) |
