| Mercer Island to Bradford | 4,617.62 mi (7,431.34 km) |
| Mercer Island to Bradford-on-Avon | 4,735.96 mi (7,621.80 km) |
| Mercer Island to Bradwell | 4,737.05 mi (7,623.55 km) |
| Mercer Island to Braintree | 4,781.32 mi (7,694.78 km) |
| Mercer Island to Bramhall | 4,630.55 mi (7,452.15 km) |
| Mercer Island to Brandon | 4,751.97 mi (7,647.56 km) |
| Mercer Island to Braunstone | 4,696.23 mi (7,557.85 km) |
| Mercer Island to Bredbury | 4,628.52 mi (7,448.88 km) |
| Mercer Island to Brentwood | 4,789.11 mi (7,707.33 km) |
| Mercer Island to Bridgnorth | 4,667.74 mi (7,512.00 km) |
| Mercer Island to Bridgwater | 4,727.47 mi (7,608.12 km) |
| Mercer Island to Bridlington | 4,642.13 mi (7,470.79 km) |
| Mercer Island to Bridport | 4,755.05 mi (7,652.51 km) |
| Mercer Island to Brierley Hill | 4,678.55 mi (7,529.40 km) |
| Mercer Island to Brighouse | 4,621.46 mi (7,437.52 km) |
