| Boulder to Brighton | 4,707.83 mi (7,576.53 km) |
| Boulder to Brimington | 4,565.06 mi (7,346.76 km) |
| Boulder to Brislington | 4,598.78 mi (7,401.02 km) |
| Boulder to Bristol | 4,596.02 mi (7,396.58 km) |
| Boulder to Brixham | 4,605.75 mi (7,412.24 km) |
| Boulder to Brixton | 4,681.99 mi (7,534.93 km) |
| Boulder to Broadstairs | 4,739.36 mi (7,627.27 km) |
| Boulder to Broadstone | 4,645.21 mi (7,475.75 km) |
| Boulder to Broadwater | 4,699.29 mi (7,562.77 km) |
| Boulder to Brockworth | 4,595.72 mi (7,396.09 km) |
| Boulder to Bromborough | 4,508.30 mi (7,255.40 km) |
| Boulder to Bromley | 4,688.85 mi (7,545.98 km) |
| Boulder to Bromsgrove | 4,579.41 mi (7,369.85 km) |
| Boulder to Broughton Astley | 4,600.06 mi (7,403.07 km) |
| Boulder to Broughty Ferry | 4,391.07 mi (7,066.75 km) |
