| River Forest to Bonhill | 3,658.93 mi (5,888.49 km) |
| River Forest to Bonnyrigg | 3,714.10 mi (5,977.26 km) |
| River Forest to Bootle | 3,786.66 mi (6,094.05 km) |
| River Forest to Borehamwood | 3,943.66 mi (6,346.71 km) |
| River Forest to Boscombe | 3,913.10 mi (6,297.53 km) |
| River Forest to Boston | 3,911.33 mi (6,294.68 km) |
| River Forest to Bottesford | 3,869.41 mi (6,227.22 km) |
| River Forest to Bourne | 3,904.54 mi (6,283.75 km) |
| River Forest to Bournemouth | 3,911.71 mi (6,295.28 km) |
| River Forest to Bournville | 3,856.50 mi (6,206.43 km) |
| River Forest to Bovingdon | 3,931.53 mi (6,327.19 km) |
| River Forest to Bowdon | 3,811.95 mi (6,134.73 km) |
| River Forest to Boxley | 3,986.16 mi (6,415.10 km) |
| River Forest to Brackley | 3,898.63 mi (6,274.24 km) |
| River Forest to Bracknell | 3,933.23 mi (6,329.92 km) |
