| Castle Rock to St. Simons (Georgia) | 1,434.36 mi (2,308.38 km) |
| Castle Rock to Stafford (Texas) | 855.34 mi (1,376.54 km) |
| Castle Rock to Stallings (North Carolina) | 1,358.62 mi (2,186.49 km) |
| Castle Rock to Stamford (Connecticut) | 1,646.00 mi (2,648.98 km) |
| Castle Rock to Stanford (California) | 945.65 mi (1,521.87 km) |
| Castle Rock to Stanton (California) | 823.34 mi (1,325.04 km) |
| Castle Rock to Star (Idaho) | 671.17 mi (1,080.15 km) |
| Castle Rock to Starkville (Mississippi) | 978.31 mi (1,574.44 km) |
| Castle Rock to State College (Pennsylvania) | 1,424.85 mi (2,293.08 km) |
| Castle Rock to Staten Island (New York) | 1,619.49 mi (2,606.32 km) |
| Castle Rock to Statesboro (Georgia) | 1,372.90 mi (2,209.48 km) |
| Castle Rock to Statesville (North Carolina) | 1,332.30 mi (2,144.13 km) |
| Castle Rock to Staunton (Virginia) | 1,387.29 mi (2,232.63 km) |
| Castle Rock to Steamboat Springs (Colorado) | 129.20 mi (207.93 km) |
| Castle Rock to Steiner Ranch (Texas) | 736.43 mi (1,185.16 km) |
