| River Falls to Ayr | 3,695.16 mi (5,946.79 km) |
| River Falls to Bacup | 3,839.49 mi (6,179.06 km) |
| River Falls to Baguley | 3,847.58 mi (6,192.07 km) |
| River Falls to Baildon | 3,849.57 mi (6,195.28 km) |
| River Falls to Bailleston | 3,700.11 mi (5,954.75 km) |
| River Falls to Balderton | 3,913.03 mi (6,297.41 km) |
| River Falls to Baldock | 3,973.17 mi (6,394.20 km) |
| River Falls to Balham | 3,995.11 mi (6,429.51 km) |
| River Falls to Bamber Bridge | 3,822.40 mi (6,151.56 km) |
| River Falls to Banbridge | 3,674.19 mi (5,913.04 km) |
| River Falls to Banbury | 3,929.46 mi (6,323.86 km) |
| River Falls to Bangor | 3,684.82 mi (5,930.14 km) |
| River Falls to Bangor | 3,787.61 mi (6,095.57 km) |
| River Falls to Banstead | 3,997.85 mi (6,433.92 km) |
| River Falls to Bargoed | 3,873.90 mi (6,234.43 km) |
