| Castle Rock to Watervliet (New York) | 1,629.90 mi (2,623.08 km) |
| Castle Rock to Watsonville (California) | 933.29 mi (1,501.98 km) |
| Castle Rock to Wauconda (Illinois) | 895.11 mi (1,440.54 km) |
| Castle Rock to Waukee (Iowa) | 595.91 mi (959.03 km) |
| Castle Rock to Waukegan (Illinois) | 909.34 mi (1,463.44 km) |
| Castle Rock to Waukesha (Wisconsin) | 897.46 mi (1,444.33 km) |
| Castle Rock to Waunakee (Wisconsin) | 840.74 mi (1,353.03 km) |
| Castle Rock to Waupun (Wisconsin) | 882.45 mi (1,420.16 km) |
| Castle Rock to Wausau (Wisconsin) | 867.27 mi (1,395.74 km) |
| Castle Rock to Wauwatosa (Wisconsin) | 908.64 mi (1,462.32 km) |
| Castle Rock to Waverly (Iowa) | 684.64 mi (1,101.82 km) |
| Castle Rock to Waverly (Michigan) | 1,075.88 mi (1,731.47 km) |
| Castle Rock to Waxahachie (Texas) | 657.52 mi (1,058.17 km) |
| Castle Rock to Waxhaw (North Carolina) | 1,358.22 mi (2,185.84 km) |
| Castle Rock to Waycross (Georgia) | 1,383.44 mi (2,226.43 km) |
