| Castle Rock to Stephenville (Texas) | 618.48 mi (995.34 km) |
| Castle Rock to Sterling (Colorado) | 122.96 mi (197.88 km) |
| Castle Rock to Sterling (Illinois) | 811.62 mi (1,306.17 km) |
| Castle Rock to Sterling (Virginia) | 1,464.41 mi (2,356.75 km) |
| Castle Rock to Sterling Heights (Michigan) | 1,156.27 mi (1,860.83 km) |
| Castle Rock to Steubenville (Ohio) | 1,281.19 mi (2,061.88 km) |
| Castle Rock to Stevens Point (Wisconsin) | 861.27 mi (1,386.09 km) |
| Castle Rock to Stevenson Ranch (California) | 832.42 mi (1,339.64 km) |
| Castle Rock to Stillwater (Minnesota) | 728.58 mi (1,172.53 km) |
| Castle Rock to Stillwater (Oklahoma) | 480.23 mi (772.85 km) |
| Castle Rock to Stockbridge (Georgia) | 1,212.09 mi (1,950.67 km) |
| Castle Rock to Stockton (California) | 891.72 mi (1,435.08 km) |
| Castle Rock to Stone Ridge (Virginia) | 1,457.33 mi (2,345.35 km) |
| Castle Rock to Stonecrest (Georgia) | 1,212.23 mi (1,950.90 km) |
| Castle Rock to Stony Brook (New York) | 1,669.87 mi (2,687.39 km) |
