| Karlovac to Idstein | 469.63 mi (755.79 km) |
| Karlovac to Illertissen | 319.87 mi (514.78 km) |
| Karlovac to Illingen | 479.24 mi (771.27 km) |
| Karlovac to Ilmenau | 417.90 mi (672.54 km) |
| Karlovac to Ilsede | 527.99 mi (849.72 km) |
| Karlovac to Ilsenburg | 493.52 mi (794.24 km) |
| Karlovac to Ilsfeld | 384.45 mi (618.72 km) |
| Karlovac to Ilvesheim | 426.64 mi (686.62 km) |
| Karlovac to Immenstadt im Allgau | 291.46 mi (469.06 km) |
| Karlovac to Ingelheim | 466.05 mi (750.04 km) |
| Karlovac to Ingolstadt | 298.17 mi (479.86 km) |
| Karlovac to Iserlohn | 544.16 mi (875.74 km) |
| Karlovac to Isernhagen-Sud | 544.90 mi (876.93 km) |
| Karlovac to Ismaning | 263.54 mi (424.12 km) |
| Karlovac to Isny im Allgau | 302.80 mi (487.32 km) |
