| Cities | Distance |
|---|---|
| Idrija to Popovo | 626.33 mi (1,007.98 km) |
| Idrija to Provadia | 686.79 mi (1,105.29 km) |
| Idrija to Radnevo | 642.45 mi (1,033.92 km) |
| Idrija to Radomir | 501.31 mi (806.78 km) |
| Idrija to Rakitovo | 571.20 mi (919.25 km) |
| Idrija to Rakovski | 599.26 mi (964.42 km) |
| Idrija to Razgrad | 635.19 mi (1,022.24 km) |
| Idrija to Razlog | 548.56 mi (882.83 km) |
| Idrija to Ruse | 602.04 mi (968.88 km) |
| Idrija to Samokov | 535.32 mi (861.51 km) |
| Idrija to Sandanski | 553.50 mi (890.77 km) |
| Idrija to Sevlievo | 583.01 mi (938.27 km) |
| Idrija to Shumen | 660.82 mi (1,063.49 km) |
| Idrija to Silistra | 658.03 mi (1,059.00 km) |
| Idrija to Sliven | 649.04 mi (1,044.53 km) |