| Castle Rock to Westland (Michigan) | 1,137.39 mi (1,830.46 km) |
| Castle Rock to Westminster (California) | 825.10 mi (1,327.88 km) |
| Castle Rock to Westminster (Colorado) | 36.78 mi (59.19 km) |
| Castle Rock to Westminster (Maryland) | 1,479.18 mi (2,380.51 km) |
| Castle Rock to Westmont (California) | 833.42 mi (1,341.26 km) |
| Castle Rock to Westmont (Illinois) | 899.77 mi (1,448.04 km) |
| Castle Rock to Westmont (New Jersey) | 1,578.45 mi (2,540.27 km) |
| Castle Rock to Weston (Florida) | 1,682.51 mi (2,707.74 km) |
| Castle Rock to Weston (Wisconsin) | 869.96 mi (1,400.07 km) |
| Castle Rock to Westphalia (Maryland) | 1,496.90 mi (2,409.04 km) |
| Castle Rock to Westview (Florida) | 1,699.92 mi (2,735.76 km) |
| Castle Rock to Westwood (New Jersey) | 1,622.40 mi (2,611.01 km) |
| Castle Rock to Westwood Lakes (Florida) | 1,700.66 mi (2,736.95 km) |
| Castle Rock to Wheat Ridge (Colorado) | 30.44 mi (48.99 km) |
| Castle Rock to Wheaton (Illinois) | 893.27 mi (1,437.59 km) |
