| Kostrzyn to Kobarid | 455.23 mi (732.62 km) |
| Kostrzyn to Kobilje | 396.29 mi (637.76 km) |
| Kostrzyn to Kocevje | 478.52 mi (770.11 km) |
| Kostrzyn to Komen | 480.73 mi (773.66 km) |
| Kostrzyn to Komenda | 444.16 mi (714.80 km) |
| Kostrzyn to Koper | 498.51 mi (802.27 km) |
| Kostrzyn to Kostanjevica na Krki | 459.62 mi (739.68 km) |
| Kostrzyn to Kostel | 487.10 mi (783.91 km) |
| Kostrzyn to Kozje | 443.05 mi (713.02 km) |
| Kostrzyn to Kranj | 444.59 mi (715.50 km) |
| Kostrzyn to Kranjska Gora | 436.33 mi (702.20 km) |
| Kostrzyn to Krizevci | 405.80 mi (653.07 km) |
| Kostrzyn to Krsko | 452.09 mi (727.57 km) |
| Kostrzyn to Kuzma | 387.58 mi (623.74 km) |
| Kostrzyn to Lasko | 440.13 mi (708.32 km) |
