| Karlovac to Kokkola | 1,301.66 mi (2,094.82 km) |
| Karlovac to Kontiolahti | 1,320.20 mi (2,124.66 km) |
| Karlovac to Korsholm | 1,241.52 mi (1,998.04 km) |
| Karlovac to Kotka | 1,134.83 mi (1,826.34 km) |
| Karlovac to Kouvola | 1,155.29 mi (1,859.26 km) |
| Karlovac to Kuhmo | 1,395.72 mi (2,246.19 km) |
| Karlovac to Kuopio | 1,293.88 mi (2,082.30 km) |
| Karlovac to Kurikka | 1,214.35 mi (1,954.31 km) |
| Karlovac to Kuusamo | 1,503.65 mi (2,419.89 km) |
| Karlovac to Kuusankoski | 1,156.47 mi (1,861.16 km) |
| Karlovac to Lahti | 1,146.43 mi (1,845.00 km) |
| Karlovac to Laitila | 1,092.92 mi (1,758.89 km) |
| Karlovac to Lapinlahti | 1,319.01 mi (2,122.75 km) |
| Karlovac to Lappeenranta | 1,191.75 mi (1,917.93 km) |
| Karlovac to Lapua | 1,243.24 mi (2,000.80 km) |
