| Castel San Giorgio to Kobarid | 381.62 mi (614.15 km) |
| Castel San Giorgio to Kobilje | 416.34 mi (670.04 km) |
| Castel San Giorgio to Kocevje | 335.87 mi (540.53 km) |
| Castel San Giorgio to Komen | 350.97 mi (564.84 km) |
| Castel San Giorgio to Komenda | 374.85 mi (603.26 km) |
| Castel San Giorgio to Koper | 332.92 mi (535.79 km) |
| Castel San Giorgio to Kostanjevica na Krki | 351.71 mi (566.02 km) |
| Castel San Giorgio to Kostel | 326.67 mi (525.73 km) |
| Castel San Giorgio to Kozje | 368.08 mi (592.36 km) |
| Castel San Giorgio to Kranj | 376.93 mi (606.61 km) |
| Castel San Giorgio to Kranjska Gora | 396.60 mi (638.27 km) |
| Castel San Giorgio to Krizevci | 405.76 mi (653.00 km) |
| Castel San Giorgio to Krsko | 359.14 mi (577.98 km) |
| Castel San Giorgio to Kuzma | 423.65 mi (681.79 km) |
| Castel San Giorgio to Lasko | 372.22 mi (599.02 km) |
