| Castagneto Carducci to Kobarid | 258.15 mi (415.45 km) |
| Castagneto Carducci to Kobilje | 373.22 mi (600.63 km) |
| Castagneto Carducci to Kocevje | 271.00 mi (436.13 km) |
| Castagneto Carducci to Komen | 240.00 mi (386.24 km) |
| Castagneto Carducci to Komenda | 285.54 mi (459.53 km) |
| Castagneto Carducci to Koper | 225.96 mi (363.65 km) |
| Castagneto Carducci to Kostanjevica na Krki | 301.24 mi (484.80 km) |
| Castagneto Carducci to Kostel | 267.43 mi (430.38 km) |
| Castagneto Carducci to Kozje | 315.85 mi (508.31 km) |
| Castagneto Carducci to Kranj | 281.20 mi (452.56 km) |
| Castagneto Carducci to Kranjska Gora | 277.38 mi (446.40 km) |
| Castagneto Carducci to Krizevci | 358.55 mi (577.03 km) |
| Castagneto Carducci to Krsko | 307.76 mi (495.30 km) |
| Castagneto Carducci to Kuzma | 368.54 mi (593.11 km) |
| Castagneto Carducci to Lasko | 307.53 mi (494.92 km) |
