| Castle Rock to Scottsboro (Alabama) | 1,085.42 mi (1,746.82 km) |
| Castle Rock to Scottsdale (Arizona) | 552.85 mi (889.73 km) |
| Castle Rock to Scranton (Pennsylvania) | 1,535.12 mi (2,470.54 km) |
| Castle Rock to Seabrook (Maryland) | 1,494.06 mi (2,404.46 km) |
| Castle Rock to Seabrook (Texas) | 877.49 mi (1,412.18 km) |
| Castle Rock to Seaford (New York) | 1,652.97 mi (2,660.19 km) |
| Castle Rock to Seagoville (Texas) | 656.20 mi (1,056.06 km) |
| Castle Rock to Seal Beach (California) | 828.82 mi (1,333.86 km) |
| Castle Rock to Searcy (Arkansas) | 774.52 mi (1,246.47 km) |
| Castle Rock to Seaside (California) | 941.65 mi (1,515.44 km) |
| Castle Rock to SeaTac (Washington) | 1,034.40 mi (1,664.71 km) |
| Castle Rock to Seattle (Washington) | 1,040.92 mi (1,675.21 km) |
| Castle Rock to Sebastian (Florida) | 1,607.80 mi (2,587.51 km) |
| Castle Rock to Sebring (Florida) | 1,572.85 mi (2,531.26 km) |
| Castle Rock to Secaucus (New Jersey) | 1,622.20 mi (2,610.68 km) |
