| Castle Rock to Savannah (Georgia) | 1,416.66 mi (2,279.89 km) |
| Castle Rock to Sayreville (New Jersey) | 1,611.45 mi (2,593.37 km) |
| Castle Rock to Sayville (New York) | 1,673.48 mi (2,693.21 km) |
| Castle Rock to Scaggsville (Maryland) | 1,490.37 mi (2,398.51 km) |
| Castle Rock to Scarsdale (New York) | 1,635.53 mi (2,632.13 km) |
| Castle Rock to Schaumburg (Illinois) | 895.77 mi (1,441.60 km) |
| Castle Rock to Schenectady (New York) | 1,618.50 mi (2,604.72 km) |
| Castle Rock to Schererville (Indiana) | 925.50 mi (1,489.45 km) |
| Castle Rock to Schertz (Texas) | 774.59 mi (1,246.59 km) |
| Castle Rock to Schiller Park (Illinois) | 906.21 mi (1,458.40 km) |
| Castle Rock to Schofield Barracks (Hawaii) | 3,347.93 mi (5,387.97 km) |
| Castle Rock to Scotchtown (New York) | 1,601.72 mi (2,577.72 km) |
| Castle Rock to Scottdale (Georgia) | 1,202.44 mi (1,935.14 km) |
| Castle Rock to Scotts Valley (California) | 943.65 mi (1,518.66 km) |
| Castle Rock to Scottsbluff (Nebraska) | 183.18 mi (294.79 km) |
