| Cities | Distance |
|---|---|
| Idrija to Smolyan | 612.90 mi (986.36 km) |
| Idrija to Sofia | 512.69 mi (825.09 km) |
| Idrija to Sopot | 577.78 mi (929.85 km) |
| Idrija to Sozopol | 719.91 mi (1,158.58 km) |
| Idrija to Sredets | 698.78 mi (1,124.58 km) |
| Idrija to Stamboliyski | 585.43 mi (942.16 km) |
| Idrija to Stara Zagora | 625.37 mi (1,006.43 km) |
| Idrija to Svilengrad | 672.16 mi (1,081.73 km) |
| Idrija to Svishtov | 578.39 mi (930.83 km) |
| Idrija to Targovishte | 645.24 mi (1,038.41 km) |
| Idrija to Teteven | 547.59 mi (881.26 km) |
| Idrija to Troyan | 569.05 mi (915.80 km) |
| Idrija to Tryavna | 605.36 mi (974.24 km) |
| Idrija to Tutrakan | 628.69 mi (1,011.77 km) |
| Idrija to Varna | 708.73 mi (1,140.59 km) |