| Castle Rock to St. George (Utah) | 499.12 mi (803.25 km) |
| Castle Rock to St. Helens (Oregon) | 1,014.10 mi (1,632.04 km) |
| Castle Rock to St. James (New York) | 1,668.85 mi (2,685.76 km) |
| Castle Rock to St. John (Indiana) | 924.02 mi (1,487.06 km) |
| Castle Rock to St. Joseph (Missouri) | 534.73 mi (860.56 km) |
| Castle Rock to St. Louis (Missouri) | 785.15 mi (1,263.57 km) |
| Castle Rock to St. Louis Park (Minnesota) | 702.12 mi (1,129.96 km) |
| Castle Rock to St. Marys (Georgia) | 1,439.46 mi (2,316.59 km) |
| Castle Rock to St. Marys (Pennsylvania) | 1,386.56 mi (2,231.45 km) |
| Castle Rock to St. Matthews (Kentucky) | 1,035.45 mi (1,666.40 km) |
| Castle Rock to St. Michael (Minnesota) | 697.14 mi (1,121.94 km) |
| Castle Rock to St. Paul (Minnesota) | 713.26 mi (1,147.89 km) |
| Castle Rock to St. Peter (Minnesota) | 655.75 mi (1,055.33 km) |
| Castle Rock to St. Peters (Missouri) | 764.47 mi (1,230.30 km) |
| Castle Rock to St. Petersburg (Florida) | 1,500.79 mi (2,415.29 km) |
