| Castle Rock to Shoreview (Minnesota) | 716.46 mi (1,153.02 km) |
| Castle Rock to Shorewood (Illinois) | 885.86 mi (1,425.65 km) |
| Castle Rock to Shorewood (Wisconsin) | 916.38 mi (1,474.76 km) |
| Castle Rock to Short Hills (New Jersey) | 1,608.93 mi (2,589.32 km) |
| Castle Rock to Short Pump (Virginia) | 1,471.48 mi (2,368.12 km) |
| Castle Rock to Show Low (Arizona) | 454.63 mi (731.66 km) |
| Castle Rock to Shreveport (Louisiana) | 780.54 mi (1,256.15 km) |
| Castle Rock to Sicklerville (New Jersey) | 1,583.36 mi (2,548.17 km) |
| Castle Rock to Sidney (Ohio) | 1,096.92 mi (1,765.31 km) |
| Castle Rock to Sierra Madre (California) | 813.08 mi (1,308.52 km) |
| Castle Rock to Sierra Vista (Arizona) | 620.89 mi (999.22 km) |
| Castle Rock to Sierra Vista Southeast (Arizona) | 624.92 mi (1,005.72 km) |
| Castle Rock to Signal Hill (California) | 831.79 mi (1,338.63 km) |
| Castle Rock to Sikeston (Missouri) | 846.24 mi (1,361.89 km) |
| Castle Rock to Siloam Springs (Arkansas) | 604.82 mi (973.37 km) |
