| Ashburn to Barking | 3,684.61 mi (5,929.81 km) |
| Ashburn to Barnet | 3,670.92 mi (5,907.77 km) |
| Ashburn to Barnoldswick | 3,545.06 mi (5,705.22 km) |
| Ashburn to Barnsley | 3,579.85 mi (5,761.21 km) |
| Ashburn to Barnstaple | 3,524.10 mi (5,671.50 km) |
| Ashburn to Barrhead | 3,428.30 mi (5,517.31 km) |
| Ashburn to Barri | 3,550.32 mi (5,713.70 km) |
| Ashburn to Barrow in Furness | 3,500.89 mi (5,634.14 km) |
| Ashburn to Barton upon Humber | 3,617.67 mi (5,822.07 km) |
| Ashburn to Barton upon Irwell | 3,546.61 mi (5,707.72 km) |
| Ashburn to Barwell | 3,604.92 mi (5,801.56 km) |
| Ashburn to Basford | 3,603.62 mi (5,799.47 km) |
| Ashburn to Basildon | 3,700.35 mi (5,955.14 km) |
| Ashburn to Basingstoke | 3,642.98 mi (5,862.82 km) |
| Ashburn to Bath | 3,588.31 mi (5,774.83 km) |
