| Severn to Bonhill | 3,384.24 mi (5,446.40 km) |
| Severn to Bonnyrigg | 3,441.18 mi (5,538.04 km) |
| Severn to Bootle | 3,486.47 mi (5,610.93 km) |
| Severn to Borehamwood | 3,631.27 mi (5,843.97 km) |
| Severn to Boscombe | 3,586.78 mi (5,772.36 km) |
| Severn to Boston | 3,613.47 mi (5,815.32 km) |
| Severn to Bottesford | 3,576.09 mi (5,755.17 km) |
| Severn to Bourne | 3,603.55 mi (5,799.36 km) |
| Severn to Bournemouth | 3,585.22 mi (5,769.85 km) |
| Severn to Bournville | 3,547.86 mi (5,709.73 km) |
| Severn to Bovingdon | 3,619.11 mi (5,824.39 km) |
| Severn to Bowdon | 3,512.49 mi (5,652.81 km) |
| Severn to Boxley | 3,672.36 mi (5,910.09 km) |
| Severn to Brackley | 3,587.81 mi (5,774.02 km) |
| Severn to Bracknell | 3,617.03 mi (5,821.04 km) |
