| Kostinbrod to Kobarid | 530.11 mi (853.13 km) |
| Kostinbrod to Kobilje | 428.01 mi (688.81 km) |
| Kostinbrod to Kocevje | 457.22 mi (735.82 km) |
| Kostinbrod to Komen | 511.36 mi (822.96 km) |
| Kostinbrod to Komenda | 487.14 mi (783.98 km) |
| Kostinbrod to Koper | 506.01 mi (814.35 km) |
| Kostinbrod to Kostanjevica na Krki | 438.03 mi (704.94 km) |
| Kostinbrod to Kostel | 451.50 mi (726.61 km) |
| Kostinbrod to Kozje | 439.41 mi (707.16 km) |
| Kostinbrod to Kranj | 495.35 mi (797.19 km) |
| Kostinbrod to Kranjska Gora | 527.78 mi (849.38 km) |
| Kostinbrod to Krizevci | 433.12 mi (697.04 km) |
| Kostinbrod to Krsko | 438.68 mi (705.99 km) |
| Kostinbrod to Kuzma | 446.03 mi (717.82 km) |
| Kostinbrod to Lasko | 455.63 mi (733.27 km) |
