| Castle Rock to Brook Park (Ohio) | 1,216.47 mi (1,957.73 km) |
| Castle Rock to Brookfield (Illinois) | 906.48 mi (1,458.83 km) |
| Castle Rock to Brookfield (Wisconsin) | 904.29 mi (1,455.31 km) |
| Castle Rock to Brookhaven (Georgia) | 1,196.62 mi (1,925.77 km) |
| Castle Rock to Brookhaven (Mississippi) | 971.49 mi (1,563.47 km) |
| Castle Rock to Brookings (South Dakota) | 536.48 mi (863.38 km) |
| Castle Rock to Brooklyn (New York) | 1,629.33 mi (2,622.16 km) |
| Castle Rock to Brooklyn (Ohio) | 1,220.18 mi (1,963.68 km) |
| Castle Rock to Brooklyn Center (Minnesota) | 708.25 mi (1,139.81 km) |
| Castle Rock to Brooklyn Park (Maryland) | 1,503.60 mi (2,419.82 km) |
| Castle Rock to Brooklyn Park (Minnesota) | 708.28 mi (1,139.86 km) |
| Castle Rock to Brookside (Delaware) | 1,546.25 mi (2,488.46 km) |
| Castle Rock to Broomall (Pennsylvania) | 1,562.18 mi (2,514.08 km) |
| Castle Rock to Broomfield (Colorado) | 41.31 mi (66.48 km) |
| Castle Rock to Broussard (Louisiana) | 969.47 mi (1,560.22 km) |
