| Blackburn to Brimington | 56.20 mi (90.44 km) |
| Blackburn to Brislington | 160.07 mi (257.61 km) |
| Blackburn to Bristol | 158.60 mi (255.24 km) |
| Blackburn to Brixham | 235.86 mi (379.57 km) |
| Blackburn to Brixton | 186.77 mi (300.57 km) |
| Blackburn to Broadstairs | 233.14 mi (375.21 km) |
| Blackburn to Broadstone | 207.44 mi (333.84 km) |
| Blackburn to Broadwater | 220.51 mi (354.87 km) |
| Blackburn to Brockworth | 131.87 mi (212.22 km) |
| Blackburn to Bromborough | 35.00 mi (56.33 km) |
| Blackburn to Bromley | 192.86 mi (310.38 km) |
| Blackburn to Bromsgrove | 99.18 mi (159.62 km) |
| Blackburn to Broughton Astley | 99.05 mi (159.40 km) |
| Blackburn to Broughty Ferry | 188.50 mi (303.36 km) |
| Blackburn to Brownhills | 79.39 mi (127.77 km) |
