| Karlovac to Kalisz | 448.57 mi (721.90 km) |
| Karlovac to Kamien Pomorski | 587.39 mi (945.32 km) |
| Karlovac to Kamienna Gora | 366.87 mi (590.42 km) |
| Karlovac to Karczew | 524.30 mi (843.78 km) |
| Karlovac to Kartuzy | 622.62 mi (1,002.02 km) |
| Karlovac to Katowice | 367.38 mi (591.24 km) |
| Karlovac to Kedzierzyn-Kozle | 357.89 mi (575.96 km) |
| Karlovac to Kepno | 415.94 mi (669.40 km) |
| Karlovac to Ketrzyn | 648.15 mi (1,043.10 km) |
| Karlovac to Kety | 349.48 mi (562.43 km) |
| Karlovac to Kielce | 439.74 mi (707.70 km) |
| Karlovac to Kielczow | 397.95 mi (640.44 km) |
| Karlovac to Klobuck | 406.35 mi (653.96 km) |
| Karlovac to Klodzko | 345.77 mi (556.46 km) |
| Karlovac to Kluczbork | 399.27 mi (642.56 km) |
