| Cities | Distance |
|---|---|
| Idrija to Bicaz | 577.05 mi (928.67 km) |
| Idrija to Bistrita | 503.16 mi (809.76 km) |
| Idrija to Blaj | 473.62 mi (762.21 km) |
| Idrija to Bocsa | 373.21 mi (600.62 km) |
| Idrija to Boldesti-Scaeni | 584.40 mi (940.49 km) |
| Idrija to Bolintin Vale | 580.28 mi (933.87 km) |
| Idrija to Borsa | 515.12 mi (829.01 km) |
| Idrija to Botosani | 608.42 mi (979.16 km) |
| Idrija to Brad | 419.94 mi (675.83 km) |
| Idrija to Bragadiru | 592.03 mi (952.78 km) |
| Idrija to Braila | 674.01 mi (1,084.72 km) |
| Idrija to Brasov | 557.89 mi (897.83 km) |
| Idrija to Breaza | 564.80 mi (908.96 km) |
| Idrija to Bucharest | 597.08 mi (960.90 km) |
| Idrija to Buftea | 587.38 mi (945.30 km) |