| Idrija to Barnet | 753.61 mi (1,212.82 km) |
| Idrija to Barnoldswick | 901.18 mi (1,450.30 km) |
| Idrija to Barnsley | 863.50 mi (1,389.67 km) |
| Idrija to Barnstaple | 895.73 mi (1,441.53 km) |
| Idrija to Barrhead | 1,044.16 mi (1,680.41 km) |
| Idrija to Barri | 869.78 mi (1,399.78 km) |
| Idrija to Barrow in Furness | 944.39 mi (1,519.86 km) |
| Idrija to Barton upon Humber | 832.60 mi (1,339.93 km) |
| Idrija to Barton upon Irwell | 892.20 mi (1,435.86 km) |
| Idrija to Barwell | 825.57 mi (1,328.62 km) |
| Idrija to Basford | 832.44 mi (1,339.68 km) |
| Idrija to Basildon | 725.09 mi (1,166.92 km) |
| Idrija to Basingstoke | 778.10 mi (1,252.23 km) |
| Idrija to Bath | 832.19 mi (1,339.28 km) |
| Idrija to Bathgate | 1,023.93 mi (1,647.86 km) |
