| Karlovac to Koscielisko | 331.59 mi (533.64 km) |
| Karlovac to Koscierzyna | 606.20 mi (975.59 km) |
| Karlovac to Kostrzyn | 483.45 mi (778.04 km) |
| Karlovac to Kostrzyn nad Odra | 492.53 mi (792.64 km) |
| Karlovac to Koszalin | 602.92 mi (970.31 km) |
| Karlovac to Kowary | 367.01 mi (590.64 km) |
| Karlovac to Kozienice | 503.02 mi (809.53 km) |
| Karlovac to Kozuchow | 432.99 mi (696.83 km) |
| Karlovac to Kozy | 345.99 mi (556.82 km) |
| Karlovac to Krakow | 376.09 mi (605.26 km) |
| Karlovac to Krapkowice | 361.96 mi (582.52 km) |
| Karlovac to Krasnik | 484.56 mi (779.83 km) |
| Karlovac to Krasnystaw | 516.99 mi (832.01 km) |
| Karlovac to Krosno | 409.25 mi (658.63 km) |
| Karlovac to Krosno Odrzanskie | 453.02 mi (729.07 km) |
