| Castle Rock to South Fulton (Georgia) | 1,190.84 mi (1,916.47 km) |
| Castle Rock to South Gate (California) | 827.93 mi (1,332.43 km) |
| Castle Rock to South Hill (Washington) | 1,024.12 mi (1,648.16 km) |
| Castle Rock to South Holland (Illinois) | 917.83 mi (1,477.11 km) |
| Castle Rock to South Houston (Texas) | 865.36 mi (1,392.67 km) |
| Castle Rock to South Huntington (New York) | 1,656.85 mi (2,666.44 km) |
| Castle Rock to South Jordan (Utah) | 385.89 mi (621.04 km) |
| Castle Rock to South Lake Tahoe (California) | 810.18 mi (1,303.85 km) |
| Castle Rock to South Laurel (Maryland) | 1,493.36 mi (2,403.33 km) |
| Castle Rock to South Lyon (Michigan) | 1,124.12 mi (1,809.10 km) |
| Castle Rock to South Miami (Florida) | 1,705.02 mi (2,743.97 km) |
| Castle Rock to South Miami Heights (Florida) | 1,705.95 mi (2,745.46 km) |
| Castle Rock to South Milwaukee (Wisconsin) | 915.38 mi (1,473.16 km) |
| Castle Rock to South Ogden (Utah) | 394.38 mi (634.69 km) |
| Castle Rock to South Pasadena (California) | 820.39 mi (1,320.29 km) |
