| Kocaeli to Koscian | 1,002.29 mi (1,613.02 km) |
| Kocaeli to Koscielisko | 764.63 mi (1,230.55 km) |
| Kocaeli to Koscierzyna | 1,074.87 mi (1,729.84 km) |
| Kocaeli to Kostrzyn | 1,001.59 mi (1,611.90 km) |
| Kocaeli to Kostrzyn nad Odra | 1,086.55 mi (1,748.63 km) |
| Kocaeli to Koszalin | 1,124.10 mi (1,809.06 km) |
| Kocaeli to Kowary | 966.81 mi (1,555.93 km) |
| Kocaeli to Kozienice | 846.43 mi (1,362.20 km) |
| Kocaeli to Kozuchow | 1,018.22 mi (1,638.66 km) |
| Kocaeli to Kozy | 816.48 mi (1,314.00 km) |
| Kocaeli to Krakow | 802.95 mi (1,292.22 km) |
| Kocaeli to Krapkowice | 882.75 mi (1,420.64 km) |
| Kocaeli to Krasnik | 792.47 mi (1,275.36 km) |
| Kocaeli to Krasnystaw | 776.16 mi (1,249.11 km) |
| Kocaeli to Krosno | 732.44 mi (1,178.75 km) |
