| Castle Rock to Brandermill (Virginia) | 1,473.30 mi (2,371.05 km) |
| Castle Rock to Brandon (Florida) | 1,512.40 mi (2,433.97 km) |
| Castle Rock to Brandon (Mississippi) | 964.51 mi (1,552.23 km) |
| Castle Rock to Brandon (South Dakota) | 517.54 mi (832.90 km) |
| Castle Rock to Branson (Missouri) | 657.86 mi (1,058.72 km) |
| Castle Rock to Braselton (Georgia) | 1,217.19 mi (1,958.87 km) |
| Castle Rock to Brawley (California) | 740.65 mi (1,191.97 km) |
| Castle Rock to Brea (California) | 812.56 mi (1,307.69 km) |
| Castle Rock to Brecksville (Ohio) | 1,227.13 mi (1,974.87 km) |
| Castle Rock to Bremerton (Washington) | 1,054.75 mi (1,697.46 km) |
| Castle Rock to Brenham (Texas) | 796.67 mi (1,282.12 km) |
| Castle Rock to Brent (Florida) | 1,168.53 mi (1,880.57 km) |
| Castle Rock to Brentwood (California) | 914.07 mi (1,471.05 km) |
| Castle Rock to Brentwood (New York) | 1,664.44 mi (2,678.65 km) |
| Castle Rock to Brentwood (Tennessee) | 1,013.88 mi (1,631.69 km) |
