| Idrija to Bagnolet | 576.88 mi (928.40 km) |
| Idrija to Bagnols-sur-Ceze | 475.91 mi (765.90 km) |
| Idrija to Bailleul | 611.98 mi (984.89 km) |
| Idrija to Balma | 635.27 mi (1,022.37 km) |
| Idrija to Bar-le-Duc | 456.14 mi (734.08 km) |
| Idrija to Barentin | 653.47 mi (1,051.66 km) |
| Idrija to Basse-Goulaine | 738.91 mi (1,189.15 km) |
| Idrija to Bastia | 321.11 mi (516.78 km) |
| Idrija to Bayeux | 720.80 mi (1,160.02 km) |
| Idrija to Bayonne | 779.18 mi (1,253.96 km) |
| Idrija to Beaucaire | 483.29 mi (777.78 km) |
| Idrija to Beauchamp | 589.58 mi (948.84 km) |
| Idrija to Beaumont | 526.33 mi (847.04 km) |
| Idrija to Beaumont-sur-Oise | 587.96 mi (946.22 km) |
| Idrija to Beaune | 442.27 mi (711.77 km) |
