| Kyustendil to Koscielisko | 502.02 mi (807.93 km) |
| Kyustendil to Koscierzyna | 845.30 mi (1,360.37 km) |
| Kyustendil to Kostrzyn | 743.38 mi (1,196.36 km) |
| Kyustendil to Kostrzyn nad Odra | 803.41 mi (1,292.97 km) |
| Kyustendil to Koszalin | 875.10 mi (1,408.33 km) |
| Kyustendil to Kowary | 671.32 mi (1,080.39 km) |
| Kyustendil to Kozienice | 644.70 mi (1,037.55 km) |
| Kyustendil to Kozuchow | 733.46 mi (1,180.38 km) |
| Kyustendil to Kozy | 550.49 mi (885.92 km) |
| Kyustendil to Krakow | 553.14 mi (890.19 km) |
| Kyustendil to Krapkowice | 608.17 mi (978.75 km) |
| Kyustendil to Krasnik | 596.92 mi (960.65 km) |
| Kyustendil to Krasnystaw | 601.58 mi (968.14 km) |
| Kyustendil to Krosno | 513.24 mi (825.98 km) |
| Kyustendil to Krosno Odrzanskie | 761.10 mi (1,224.87 km) |
