| Karlovac to Isselburg | 602.73 mi (970.00 km) |
| Karlovac to Issum | 590.40 mi (950.16 km) |
| Karlovac to Itzehoe | 642.00 mi (1,033.20 km) |
| Karlovac to Jena | 417.94 mi (672.60 km) |
| Karlovac to Jever | 655.05 mi (1,054.21 km) |
| Karlovac to Jork | 614.93 mi (989.64 km) |
| Karlovac to Juchen | 568.17 mi (914.38 km) |
| Karlovac to Julich | 565.27 mi (909.72 km) |
| Karlovac to Juterbog | 463.67 mi (746.21 km) |
| Karlovac to Kaarst | 569.50 mi (916.52 km) |
| Karlovac to Kaiserslautern | 454.61 mi (731.62 km) |
| Karlovac to Kalkar | 603.80 mi (971.73 km) |
| Karlovac to Kall | 543.00 mi (873.87 km) |
| Karlovac to Kaltenkirchen | 628.69 mi (1,011.78 km) |
| Karlovac to Kamen | 554.55 mi (892.47 km) |
