| Karlovac to Karkkila | 1,098.29 mi (1,767.53 km) |
| Karlovac to Kauhajoki | 1,200.15 mi (1,931.45 km) |
| Karlovac to Kauhava | 1,252.36 mi (2,015.48 km) |
| Karlovac to Kauniainen | 1,085.29 mi (1,746.60 km) |
| Karlovac to Kemi | 1,439.47 mi (2,316.60 km) |
| Karlovac to Kemijarvi | 1,530.69 mi (2,463.41 km) |
| Karlovac to Kempele | 1,394.75 mi (2,244.63 km) |
| Karlovac to Kerava | 1,102.04 mi (1,773.56 km) |
| Karlovac to Keuruu | 1,214.80 mi (1,955.04 km) |
| Karlovac to Kiiminki | 1,411.77 mi (2,272.03 km) |
| Karlovac to Kirkkonummi | 1,074.54 mi (1,729.30 km) |
| Karlovac to Kitee | 1,286.36 mi (2,070.20 km) |
| Karlovac to Kiuruvesi | 1,326.71 mi (2,135.13 km) |
| Karlovac to Kivisto | 1,093.60 mi (1,759.98 km) |
| Karlovac to Klaukkala | 1,095.92 mi (1,763.71 km) |
