| Poplar Bluff to Bonhill | 4,013.81 mi (6,459.60 km) |
| Poplar Bluff to Bonnyrigg | 4,069.55 mi (6,549.31 km) |
| Poplar Bluff to Bootle | 4,135.45 mi (6,655.36 km) |
| Poplar Bluff to Borehamwood | 4,289.49 mi (6,903.27 km) |
| Poplar Bluff to Boscombe | 4,254.72 mi (6,847.31 km) |
| Poplar Bluff to Boston | 4,261.09 mi (6,857.56 km) |
| Poplar Bluff to Bottesford | 4,220.25 mi (6,791.83 km) |
| Poplar Bluff to Bourne | 4,253.44 mi (6,845.25 km) |
| Poplar Bluff to Bournemouth | 4,253.27 mi (6,844.98 km) |
| Poplar Bluff to Bournville | 4,203.15 mi (6,764.32 km) |
| Poplar Bluff to Bovingdon | 4,277.32 mi (6,883.68 km) |
| Poplar Bluff to Bowdon | 4,161.00 mi (6,696.48 km) |
| Poplar Bluff to Boxley | 4,331.70 mi (6,971.20 km) |
| Poplar Bluff to Brackley | 4,244.79 mi (6,831.32 km) |
| Poplar Bluff to Bracknell | 4,277.93 mi (6,884.66 km) |
