| Castle Rock to Salisbury (New York) | 1,648.76 mi (2,653.42 km) |
| Castle Rock to Salisbury (North Carolina) | 1,355.14 mi (2,180.89 km) |
| Castle Rock to Salmon Creek (Washington) | 1,003.73 mi (1,615.34 km) |
| Castle Rock to Salt Lake City (Utah) | 386.38 mi (621.83 km) |
| Castle Rock to Sammamish (Washington) | 1,028.58 mi (1,655.34 km) |
| Castle Rock to San Angelo (Texas) | 601.43 mi (967.92 km) |
| Castle Rock to San Anselmo (California) | 958.88 mi (1,543.16 km) |
| Castle Rock to San Antonio (Texas) | 773.60 mi (1,244.99 km) |
| Castle Rock to San Benito (Texas) | 1,005.66 mi (1,618.45 km) |
| Castle Rock to San Bernardino (California) | 776.86 mi (1,250.24 km) |
| Castle Rock to San Bruno (California) | 956.59 mi (1,539.48 km) |
| Castle Rock to San Buenaventura (California) | 868.50 mi (1,397.72 km) |
| Castle Rock to San Carlos (California) | 949.83 mi (1,528.61 km) |
| Castle Rock to San Carlos Park (Florida) | 1,598.33 mi (2,572.26 km) |
| Castle Rock to San Clemente (California) | 817.85 mi (1,316.21 km) |
