| Round Rock to Bathgate | 4,646.32 mi (7,477.54 km) |
| Round Rock to Batley | 4,777.82 mi (7,689.16 km) |
| Round Rock to Beaconsfield | 4,876.15 mi (7,847.40 km) |
| Round Rock to Bearsden | 4,620.96 mi (7,436.72 km) |
| Round Rock to Bebington | 4,736.14 mi (7,622.08 km) |
| Round Rock to Beccles | 4,934.81 mi (7,941.81 km) |
| Round Rock to Beckenham | 4,905.67 mi (7,894.91 km) |
| Round Rock to Bedford | 4,866.96 mi (7,832.61 km) |
| Round Rock to Bedlington | 4,741.01 mi (7,629.92 km) |
| Round Rock to Bedwas | 4,775.63 mi (7,685.63 km) |
| Round Rock to Bedworth | 4,818.50 mi (7,754.63 km) |
| Round Rock to Beeston | 4,815.76 mi (7,750.21 km) |
| Round Rock to Belfast | 4,593.97 mi (7,393.28 km) |
| Round Rock to Belgrave | 4,826.80 mi (7,767.99 km) |
| Round Rock to Bellshill | 4,634.63 mi (7,458.72 km) |
