| Darby to Barking | 3,554.75 mi (5,720.82 km) |
| Darby to Barnet | 3,541.09 mi (5,698.83 km) |
| Darby to Barnoldswick | 3,416.53 mi (5,498.37 km) |
| Darby to Barnsley | 3,451.14 mi (5,554.07 km) |
| Darby to Barnstaple | 3,393.50 mi (5,461.32 km) |
| Darby to Barrhead | 3,301.05 mi (5,312.53 km) |
| Darby to Barri | 3,419.99 mi (5,503.95 km) |
| Darby to Barrow in Furness | 3,372.38 mi (5,427.32 km) |
| Darby to Barton upon Humber | 3,489.18 mi (5,615.30 km) |
| Darby to Barton upon Irwell | 3,417.74 mi (5,500.31 km) |
| Darby to Barwell | 3,475.54 mi (5,593.34 km) |
| Darby to Basford | 3,474.54 mi (5,591.74 km) |
| Darby to Basildon | 3,570.57 mi (5,746.28 km) |
| Darby to Basingstoke | 3,512.82 mi (5,653.34 km) |
| Darby to Bath | 3,458.06 mi (5,565.22 km) |
