| Castle Rock to San Diego (California) | 819.52 mi (1,318.90 km) |
| Castle Rock to San Diego Country Estates (California) | 796.61 mi (1,282.02 km) |
| Castle Rock to San Dimas (California) | 803.28 mi (1,292.76 km) |
| Castle Rock to San Fernando (California) | 828.16 mi (1,332.79 km) |
| Castle Rock to San Francisco (California) | 955.38 mi (1,537.53 km) |
| Castle Rock to San Gabriel (California) | 818.04 mi (1,316.51 km) |
| Castle Rock to San Germán (Puerto Rico) | 2,692.57 mi (4,333.27 km) |
| Castle Rock to San Jacinto (California) | 774.94 mi (1,247.14 km) |
| Castle Rock to San Jose (California) | 930.66 mi (1,497.75 km) |
| Castle Rock to San Juan (Puerto Rico) | 2,727.30 mi (4,389.17 km) |
| Castle Rock to San Juan (Texas) | 989.96 mi (1,593.19 km) |
| Castle Rock to San Juan Capistrano (California) | 818.03 mi (1,316.49 km) |
| Castle Rock to San Leandro (California) | 940.87 mi (1,514.19 km) |
| Castle Rock to San Lorenzo (California) | 939.96 mi (1,512.71 km) |
| Castle Rock to San Luis (Arizona) | 727.39 mi (1,170.63 km) |
