| Castle Rock to Burnley | 4,536.39 mi (7,300.62 km) |
| Castle Rock to Burntwood | 4,590.77 mi (7,388.13 km) |
| Castle Rock to Burscough | 4,523.65 mi (7,280.11 km) |
| Castle Rock to Burslem | 4,567.48 mi (7,350.64 km) |
| Castle Rock to Burton upon Trent | 4,595.82 mi (7,396.26 km) |
| Castle Rock to Burtonwood | 4,536.23 mi (7,300.35 km) |
| Castle Rock to Bury | 4,542.30 mi (7,310.12 km) |
| Castle Rock to Bury Saint Edmunds | 4,698.56 mi (7,561.59 km) |
| Castle Rock to Bushey | 4,686.28 mi (7,541.85 km) |
| Castle Rock to Buxton | 4,568.47 mi (7,352.24 km) |
| Castle Rock to Caerdydd | 4,593.80 mi (7,393.00 km) |
| Castle Rock to Caerfyrddin | 4,538.94 mi (7,304.72 km) |
| Castle Rock to Caernarfon | 4,491.89 mi (7,229.00 km) |
| Castle Rock to Caerphilly | 4,588.67 mi (7,384.74 km) |
| Castle Rock to Caister-on-Sea | 4,716.03 mi (7,589.72 km) |
