| Karlovac to Kobarid | 108.54 mi (174.68 km) |
| Karlovac to Kobilje | 92.30 mi (148.55 km) |
| Karlovac to Kocevje | 35.18 mi (56.62 km) |
| Karlovac to Komen | 89.89 mi (144.66 km) |
| Karlovac to Komenda | 69.79 mi (112.31 km) |
| Karlovac to Koper | 88.07 mi (141.74 km) |
| Karlovac to Kostanjevica na Krki | 25.80 mi (41.52 km) |
| Karlovac to Kostel | 31.05 mi (49.96 km) |
| Karlovac to Kozje | 40.82 mi (65.69 km) |
| Karlovac to Kranj | 76.99 mi (123.90 km) |
| Karlovac to Kranjska Gora | 109.34 mi (175.97 km) |
| Karlovac to Krizevci | 79.79 mi (128.42 km) |
| Karlovac to Krsko | 32.41 mi (52.15 km) |
| Karlovac to Kuzma | 96.70 mi (155.63 km) |
| Karlovac to Lasko | 48.86 mi (78.63 km) |
