| Civitavecchia to Kobarid | 299.71 mi (482.34 km) |
| Civitavecchia to Kobilje | 389.43 mi (626.73 km) |
| Civitavecchia to Kocevje | 288.30 mi (463.97 km) |
| Civitavecchia to Komen | 274.44 mi (441.67 km) |
| Civitavecchia to Komenda | 314.55 mi (506.21 km) |
| Civitavecchia to Koper | 257.09 mi (413.75 km) |
| Civitavecchia to Kostanjevica na Krki | 315.34 mi (507.49 km) |
| Civitavecchia to Kostel | 281.94 mi (453.75 km) |
| Civitavecchia to Kozje | 331.87 mi (534.09 km) |
| Civitavecchia to Kranj | 312.59 mi (503.06 km) |
| Civitavecchia to Kranjska Gora | 318.51 mi (512.59 km) |
| Civitavecchia to Krizevci | 375.50 mi (604.30 km) |
| Civitavecchia to Krsko | 322.79 mi (519.48 km) |
| Civitavecchia to Kuzma | 389.17 mi (626.31 km) |
| Civitavecchia to Lasko | 327.99 mi (527.85 km) |
