| Mercer Island to Brighton | 4,821.27 mi (7,759.09 km) |
| Mercer Island to Brimington | 4,656.01 mi (7,493.12 km) |
| Mercer Island to Brislington | 4,723.47 mi (7,601.70 km) |
| Mercer Island to Bristol | 4,720.84 mi (7,597.45 km) |
| Mercer Island to Brixham | 4,752.20 mi (7,647.92 km) |
| Mercer Island to Brixton | 4,786.94 mi (7,703.84 km) |
| Mercer Island to Broadstairs | 4,832.93 mi (7,777.84 km) |
| Mercer Island to Broadstone | 4,774.52 mi (7,683.86 km) |
| Mercer Island to Broadwater | 4,814.56 mi (7,748.29 km) |
| Mercer Island to Brockworth | 4,711.65 mi (7,582.67 km) |
| Mercer Island to Bromborough | 4,610.26 mi (7,419.50 km) |
| Mercer Island to Bromley | 4,793.35 mi (7,714.15 km) |
| Mercer Island to Bromsgrove | 4,688.05 mi (7,544.70 km) |
| Mercer Island to Broughton Astley | 4,699.62 mi (7,563.30 km) |
| Mercer Island to Broughty Ferry | 4,447.97 mi (7,158.32 km) |
