| Castle Rock to Bathgate | 4,409.95 mi (7,097.13 km) |
| Castle Rock to Batley | 4,559.87 mi (7,338.41 km) |
| Castle Rock to Beaconsfield | 4,678.47 mi (7,529.27 km) |
| Castle Rock to Bearsden | 4,386.70 mi (7,059.71 km) |
| Castle Rock to Bebington | 4,527.63 mi (7,286.52 km) |
| Castle Rock to Beccles | 4,718.38 mi (7,593.49 km) |
| Castle Rock to Beckenham | 4,707.61 mi (7,576.17 km) |
| Castle Rock to Bedford | 4,662.53 mi (7,503.62 km) |
| Castle Rock to Bedlington | 4,506.49 mi (7,252.49 km) |
| Castle Rock to Bedwas | 4,588.52 mi (7,384.51 km) |
| Castle Rock to Bedworth | 4,614.25 mi (7,425.92 km) |
| Castle Rock to Beeston | 4,605.28 mi (7,411.48 km) |
| Castle Rock to Belfast | 4,381.05 mi (7,050.62 km) |
| Castle Rock to Belgrave | 4,619.07 mi (7,433.68 km) |
| Castle Rock to Bellshill | 4,400.58 mi (7,082.04 km) |
