| Cities | Distance |
|---|---|
| Koper to Idar-Oberstein | 414.49 mi (667.06 km) |
| Koper to Idstein | 409.79 mi (659.50 km) |
| Koper to Illertissen | 252.25 mi (405.96 km) |
| Koper to Illingen | 408.73 mi (657.78 km) |
| Koper to Ilmenau | 377.65 mi (607.76 km) |
| Koper to Ilsede | 491.13 mi (790.40 km) |
| Koper to Ilsenburg | 457.95 mi (737.00 km) |
| Koper to Ilsfeld | 320.21 mi (515.33 km) |
| Koper to Ilvesheim | 362.55 mi (583.48 km) |
| Koper to Immenstadt im Allgau | 217.51 mi (350.05 km) |
| Koper to Ingelheim | 403.47 mi (649.33 km) |
| Koper to Ingolstadt | 247.05 mi (397.59 km) |
| Koper to Iserlohn | 489.21 mi (787.30 km) |
| Koper to Isernhagen-Sud | 506.89 mi (815.76 km) |
| Koper to Ismaning | 208.94 mi (336.26 km) |