| Castle Rock to Worthington (Ohio) | 1,158.18 mi (1,863.91 km) |
| Castle Rock to Wright (Florida) | 1,198.88 mi (1,929.42 km) |
| Castle Rock to Wyandanch (New York) | 1,658.96 mi (2,669.84 km) |
| Castle Rock to Wyandotte (Michigan) | 1,148.50 mi (1,848.34 km) |
| Castle Rock to Wylie (Texas) | 638.16 mi (1,027.01 km) |
| Castle Rock to Wyndham (Virginia) | 1,471.31 mi (2,367.85 km) |
| Castle Rock to Wyoming (Michigan) | 1,023.10 mi (1,646.52 km) |
| Castle Rock to Wyomissing (Pennsylvania) | 1,526.63 mi (2,456.87 km) |
| Castle Rock to Xenia (Ohio) | 1,112.11 mi (1,789.77 km) |
| Castle Rock to Yakima (Washington) | 934.43 mi (1,503.81 km) |
| Castle Rock to Yankton (South Dakota) | 457.65 mi (736.51 km) |
| Castle Rock to Yauco (Puerto Rico) | 2,703.90 mi (4,351.50 km) |
| Castle Rock to Yazoo City (Mississippi) | 921.76 mi (1,483.44 km) |
| Castle Rock to Yeadon (Pennsylvania) | 1,567.84 mi (2,523.20 km) |
| Castle Rock to Yelm (Washington) | 1,033.56 mi (1,663.35 km) |
