| Trecastagni to Kobarid | 601.22 mi (967.57 km) |
| Trecastagni to Kobilje | 630.04 mi (1,013.95 km) |
| Trecastagni to Kocevje | 554.68 mi (892.68 km) |
| Trecastagni to Komen | 570.64 mi (918.36 km) |
| Trecastagni to Komenda | 594.21 mi (956.29 km) |
| Trecastagni to Koper | 552.54 mi (889.22 km) |
| Trecastagni to Kostanjevica na Krki | 568.88 mi (915.53 km) |
| Trecastagni to Kostel | 545.36 mi (877.68 km) |
| Trecastagni to Kozje | 584.85 mi (941.23 km) |
| Trecastagni to Kranj | 596.48 mi (959.94 km) |
| Trecastagni to Kranjska Gora | 616.34 mi (991.91 km) |
| Trecastagni to Krizevci | 620.49 mi (998.58 km) |
| Trecastagni to Krsko | 576.14 mi (927.21 km) |
| Trecastagni to Kuzma | 638.84 mi (1,028.12 km) |
| Trecastagni to Lasko | 590.08 mi (949.65 km) |
