| Castle Rock to Bay City (Michigan) | 1,120.17 mi (1,802.74 km) |
| Castle Rock to Bay City (Texas) | 878.72 mi (1,414.17 km) |
| Castle Rock to Bay Point (California) | 925.70 mi (1,489.78 km) |
| Castle Rock to Bay Shore (New York) | 1,665.05 mi (2,679.64 km) |
| Castle Rock to Bay Village (Ohio) | 1,210.70 mi (1,948.44 km) |
| Castle Rock to Bayamón (Puerto Rico) | 2,723.04 mi (4,382.31 km) |
| Castle Rock to Bayonet Point (Florida) | 1,477.57 mi (2,377.92 km) |
| Castle Rock to Bayonne (New Jersey) | 1,620.54 mi (2,608.01 km) |
| Castle Rock to Bayou Blue (Louisiana) | 1,048.86 mi (1,687.97 km) |
| Castle Rock to Bayou Cane (Louisiana) | 1,045.95 mi (1,683.30 km) |
| Castle Rock to Bayshore Gardens (Florida) | 1,520.26 mi (2,446.62 km) |
| Castle Rock to Baytown (Texas) | 869.43 mi (1,399.22 km) |
| Castle Rock to Beach Park (Illinois) | 910.52 mi (1,465.35 km) |
| Castle Rock to Beachwood (New Jersey) | 1,622.94 mi (2,611.88 km) |
| Castle Rock to Beachwood (Ohio) | 1,232.90 mi (1,984.16 km) |
