| Castellana Grotte to Kobarid | 411.70 mi (662.57 km) |
| Castellana Grotte to Kobilje | 402.61 mi (647.93 km) |
| Castellana Grotte to Kocevje | 348.71 mi (561.20 km) |
| Castellana Grotte to Komen | 381.49 mi (613.95 km) |
| Castellana Grotte to Komenda | 390.62 mi (628.65 km) |
| Castellana Grotte to Koper | 365.77 mi (588.65 km) |
| Castellana Grotte to Kostanjevica na Krki | 353.87 mi (569.50 km) |
| Castellana Grotte to Kostel | 339.17 mi (545.83 km) |
| Castellana Grotte to Kozje | 367.57 mi (591.54 km) |
| Castellana Grotte to Kranj | 395.27 mi (636.13 km) |
| Castellana Grotte to Kranjska Gora | 422.19 mi (679.45 km) |
| Castellana Grotte to Krizevci | 395.76 mi (636.92 km) |
| Castellana Grotte to Krsko | 360.10 mi (579.53 km) |
| Castellana Grotte to Kuzma | 414.62 mi (667.27 km) |
| Castellana Grotte to Lasko | 376.89 mi (606.54 km) |
