| Sofia to Koscielisko | 483.88 mi (778.73 km) |
| Sofia to Koscierzyna | 825.46 mi (1,328.45 km) |
| Sofia to Kostrzyn | 727.22 mi (1,170.34 km) |
| Sofia to Kostrzyn nad Odra | 792.08 mi (1,274.72 km) |
| Sofia to Koszalin | 858.37 mi (1,381.41 km) |
| Sofia to Kowary | 661.46 mi (1,064.52 km) |
| Sofia to Kozienice | 619.30 mi (996.66 km) |
| Sofia to Kozuchow | 721.95 mi (1,161.87 km) |
| Sofia to Kozy | 533.67 mi (858.85 km) |
| Sofia to Krakow | 533.56 mi (858.69 km) |
| Sofia to Krapkowice | 593.61 mi (955.33 km) |
| Sofia to Krasnik | 570.14 mi (917.55 km) |
| Sofia to Krasnystaw | 572.36 mi (921.13 km) |
| Sofia to Krosno | 488.35 mi (785.92 km) |
| Sofia to Krosno Odrzanskie | 750.04 mi (1,207.07 km) |
