| Castle Rock to Beacon (New York) | 1,622.25 mi (2,610.75 km) |
| Castle Rock to Bear (Delaware) | 1,548.56 mi (2,492.17 km) |
| Castle Rock to Beatrice (Nebraska) | 434.53 mi (699.30 km) |
| Castle Rock to Beaufort (South Carolina) | 1,427.02 mi (2,296.56 km) |
| Castle Rock to Beaumont (California) | 770.04 mi (1,239.27 km) |
| Castle Rock to Beaumont (Texas) | 882.91 mi (1,420.91 km) |
| Castle Rock to Beaver Dam (Wisconsin) | 875.28 mi (1,408.63 km) |
| Castle Rock to Beavercreek (Ohio) | 1,105.39 mi (1,778.95 km) |
| Castle Rock to Beaverton (Oregon) | 1,005.54 mi (1,618.26 km) |
| Castle Rock to Beckley (West Virginia) | 1,279.44 mi (2,059.07 km) |
| Castle Rock to Bedford (Indiana) | 983.37 mi (1,582.57 km) |
| Castle Rock to Bedford (Ohio) | 1,231.30 mi (1,981.59 km) |
| Castle Rock to Bedford (Texas) | 623.34 mi (1,003.17 km) |
| Castle Rock to Bedford Heights (Ohio) | 1,232.88 mi (1,984.12 km) |
| Castle Rock to Beech Grove (Indiana) | 998.30 mi (1,606.61 km) |
