| Mentor to Barking | 3,719.61 mi (5,986.13 km) |
| Mentor to Barnet | 3,705.72 mi (5,963.78 km) |
| Mentor to Barnoldswick | 3,569.46 mi (5,744.50 km) |
| Mentor to Barnsley | 3,605.51 mi (5,802.51 km) |
| Mentor to Barnstaple | 3,567.04 mi (5,740.60 km) |
| Mentor to Barrhead | 3,443.81 mi (5,542.27 km) |
| Mentor to Barri | 3,590.42 mi (5,778.22 km) |
| Mentor to Barrow in Furness | 3,525.30 mi (5,673.41 km) |
| Mentor to Barton upon Humber | 3,641.39 mi (5,860.25 km) |
| Mentor to Barton upon Irwell | 3,573.75 mi (5,751.39 km) |
| Mentor to Barwell | 3,636.03 mi (5,851.63 km) |
| Mentor to Basford | 3,632.20 mi (5,845.46 km) |
| Mentor to Basildon | 3,734.58 mi (6,010.23 km) |
| Mentor to Basingstoke | 3,681.05 mi (5,924.07 km) |
| Mentor to Bath | 3,627.39 mi (5,837.73 km) |
