| Blackburn to Broxbourne | 172.19 mi (277.11 km) |
| Blackburn to Broxburn | 156.08 mi (251.18 km) |
| Blackburn to Bryn | 18.64 mi (30.00 km) |
| Blackburn to Buckhurst Hill | 180.24 mi (290.07 km) |
| Blackburn to Buckie | 272.05 mi (437.82 km) |
| Blackburn to Buckingham | 136.24 mi (219.25 km) |
| Blackburn to Buckley | 46.92 mi (75.51 km) |
| Blackburn to Bucksburn | 237.23 mi (381.78 km) |
| Blackburn to Bude | 219.97 mi (354.00 km) |
| Blackburn to Bulwell | 73.95 mi (119.02 km) |
| Blackburn to Burbage | 96.52 mi (155.34 km) |
| Blackburn to Burgess Hill | 217.15 mi (349.46 km) |
| Blackburn to Burnham | 170.60 mi (274.55 km) |
| Blackburn to Burnham-on-Sea | 174.78 mi (281.28 km) |
| Blackburn to Burnley | 9.97 mi (16.04 km) |
