| Idrija to Beausoleil | 358.95 mi (577.68 km) |
| Idrija to Beauvais | 602.27 mi (969.27 km) |
| Idrija to Begles | 710.82 mi (1,143.95 km) |
| Idrija to Belfort | 357.55 mi (575.42 km) |
| Idrija to Bellegarde-sur-Valserine | 393.15 mi (632.72 km) |
| Idrija to Bellerive-sur-Allier | 509.01 mi (819.18 km) |
| Idrija to Bellevue | 578.36 mi (930.79 km) |
| Idrija to Belley | 401.29 mi (645.81 km) |
| Idrija to Berck-sur-Mer | 647.34 mi (1,041.79 km) |
| Idrija to Bergerac | 660.93 mi (1,063.66 km) |
| Idrija to Bernay | 660.55 mi (1,063.05 km) |
| Idrija to Berre-l'Etang | 468.22 mi (753.53 km) |
| Idrija to Besancon | 389.30 mi (626.52 km) |
| Idrija to Bethune | 609.06 mi (980.19 km) |
| Idrija to Betton | 751.00 mi (1,208.63 km) |
