| Clay to Bathgate | 4,069.67 mi (6,549.50 km) |
| Clay to Batley | 4,189.60 mi (6,742.51 km) |
| Clay to Beaconsfield | 4,276.67 mi (6,882.63 km) |
| Clay to Bearsden | 4,043.57 mi (6,507.49 km) |
| Clay to Bebington | 4,143.76 mi (6,668.74 km) |
| Clay to Beccles | 4,343.70 mi (6,990.51 km) |
| Clay to Beckenham | 4,305.99 mi (6,929.82 km) |
| Clay to Bedford | 4,270.83 mi (6,873.24 km) |
| Clay to Bedlington | 4,161.94 mi (6,698.00 km) |
| Clay to Bedwas | 4,172.47 mi (6,714.94 km) |
| Clay to Bedworth | 4,222.93 mi (6,796.14 km) |
| Clay to Beeston | 4,223.27 mi (6,796.70 km) |
| Clay to Belfast | 4,005.82 mi (6,446.75 km) |
| Clay to Belgrave | 4,232.81 mi (6,812.06 km) |
| Clay to Bellshill | 4,056.91 mi (6,528.97 km) |
