| Mentor to Bonhill | 3,433.41 mi (5,525.54 km) |
| Mentor to Bonnyrigg | 3,489.59 mi (5,615.95 km) |
| Mentor to Bootle | 3,550.30 mi (5,713.65 km) |
| Mentor to Borehamwood | 3,702.49 mi (5,958.59 km) |
| Mentor to Boscombe | 3,665.80 mi (5,899.53 km) |
| Mentor to Boston | 3,676.43 mi (5,916.65 km) |
| Mentor to Bottesford | 3,636.37 mi (5,852.18 km) |
| Mentor to Bourne | 3,668.24 mi (5,903.46 km) |
| Mentor to Bournemouth | 3,664.33 mi (5,897.16 km) |
| Mentor to Bournville | 3,616.67 mi (5,820.47 km) |
| Mentor to Bovingdon | 3,690.31 mi (5,938.98 km) |
| Mentor to Bowdon | 3,576.00 mi (5,755.01 km) |
| Mentor to Boxley | 3,744.52 mi (6,026.22 km) |
| Mentor to Brackley | 3,658.00 mi (5,886.98 km) |
| Mentor to Bracknell | 3,690.37 mi (5,939.07 km) |
