| Idrija to Kocaeli | 874.19 mi (1,406.87 km) |
| Idrija to Konak | 849.06 mi (1,366.43 km) |
| Idrija to Konakli | 1,128.41 mi (1,816.00 km) |
| Idrija to Konya | 1,098.72 mi (1,768.22 km) |
| Idrija to Koprukoy | 1,459.06 mi (2,348.12 km) |
| Idrija to Korfez | 865.11 mi (1,392.26 km) |
| Idrija to Korkut | 1,493.93 mi (2,404.25 km) |
| Idrija to Kose | 1,346.34 mi (2,166.72 km) |
| Idrija to Kovancilar | 1,404.16 mi (2,259.77 km) |
| Idrija to Koyulhisar | 1,257.14 mi (2,023.17 km) |
| Idrija to Kozan | 1,262.94 mi (2,032.51 km) |
| Idrija to Kozlu | 937.21 mi (1,508.30 km) |
| Idrija to Kozluk | 1,498.54 mi (2,411.67 km) |
| Idrija to Kucuk Dalyan | 1,329.54 mi (2,139.69 km) |
| Idrija to Kucukcekmece | 815.39 mi (1,312.25 km) |
