| River Grove to Ayr | 3,669.71 mi (5,905.83 km) |
| River Grove to Bacup | 3,807.75 mi (6,127.98 km) |
| River Grove to Baguley | 3,813.91 mi (6,137.89 km) |
| River Grove to Baildon | 3,819.49 mi (6,146.88 km) |
| River Grove to Bailleston | 3,677.90 mi (5,919.02 km) |
| River Grove to Balderton | 3,880.22 mi (6,244.61 km) |
| River Grove to Baldock | 3,935.48 mi (6,333.55 km) |
| River Grove to Balham | 3,954.45 mi (6,364.08 km) |
| River Grove to Bamber Bridge | 3,789.95 mi (6,099.34 km) |
| River Grove to Banbridge | 3,639.12 mi (5,856.60 km) |
| River Grove to Banbury | 3,889.89 mi (6,260.18 km) |
| River Grove to Bangor | 3,652.71 mi (5,878.46 km) |
| River Grove to Bangor | 3,749.52 mi (6,034.27 km) |
| River Grove to Banstead | 3,956.41 mi (6,367.23 km) |
| River Grove to Bargoed | 3,828.47 mi (6,161.33 km) |
