| Idrija to Brie-Comte-Robert | 565.18 mi (909.57 km) |
| Idrija to Brignais | 446.71 mi (718.91 km) |
| Idrija to Brignoles | 430.10 mi (692.19 km) |
| Idrija to Brive-la-Gaillarde | 606.44 mi (975.97 km) |
| Idrija to Bron | 438.57 mi (705.82 km) |
| Idrija to Bruay-sur-l'Escaut | 569.77 mi (916.95 km) |
| Idrija to Bruges | 712.89 mi (1,147.29 km) |
| Idrija to Brumath | 350.56 mi (564.17 km) |
| Idrija to Brunoy | 569.98 mi (917.30 km) |
| Idrija to Bruz | 754.69 mi (1,214.55 km) |
| Idrija to Bry-sur-Marne | 571.80 mi (920.22 km) |
| Idrija to Bully-les-Mines | 603.06 mi (970.53 km) |
| Idrija to Bures-sur-Yvette | 585.11 mi (941.65 km) |
| Idrija to Bussy-Saint-Georges | 564.12 mi (907.86 km) |
| Idrija to Buxerolles | 653.41 mi (1,051.56 km) |
