| Idrija to Bacup | 894.16 mi (1,439.01 km) |
| Idrija to Baguley | 886.62 mi (1,426.87 km) |
| Idrija to Baildon | 884.03 mi (1,422.71 km) |
| Idrija to Bailleston | 1,036.98 mi (1,668.86 km) |
| Idrija to Balderton | 820.80 mi (1,320.95 km) |
| Idrija to Baldock | 763.84 mi (1,229.28 km) |
| Idrija to Balham | 745.88 mi (1,200.37 km) |
| Idrija to Bamber Bridge | 911.41 mi (1,466.77 km) |
| Idrija to Banbridge | 1,060.92 mi (1,707.39 km) |
| Idrija to Banbury | 809.75 mi (1,303.17 km) |
| Idrija to Bangor | 1,049.03 mi (1,688.25 km) |
| Idrija to Bangor | 949.79 mi (1,528.54 km) |
| Idrija to Banstead | 744.44 mi (1,198.06 km) |
| Idrija to Bargoed | 875.05 mi (1,408.26 km) |
| Idrija to Barking | 739.67 mi (1,190.38 km) |
