| Idrija to Kelkheim (Taunus) | 384.44 mi (618.69 km) |
| Idrija to Kelsterbach | 378.15 mi (608.57 km) |
| Idrija to Kemberg | 404.38 mi (650.79 km) |
| Idrija to Kempen | 507.18 mi (816.23 km) |
| Idrija to Kempten | 212.16 mi (341.44 km) |
| Idrija to Kenzingen | 330.85 mi (532.45 km) |
| Idrija to Kerpen | 475.10 mi (764.60 km) |
| Idrija to Ketsch | 345.24 mi (555.61 km) |
| Idrija to Kevelaer | 522.89 mi (841.51 km) |
| Idrija to Kiel | 599.88 mi (965.41 km) |
| Idrija to Kierspe | 461.08 mi (742.04 km) |
| Idrija to Kirchhain | 406.71 mi (654.53 km) |
| Idrija to Kirchheim bei Munchen | 184.34 mi (296.66 km) |
| Idrija to Kirchheim unter Teck | 281.61 mi (453.21 km) |
| Idrija to Kirchhundem | 444.62 mi (715.54 km) |