| Gebze to Koscian | 986.01 mi (1,586.84 km) |
| Gebze to Koscielisko | 747.72 mi (1,203.35 km) |
| Gebze to Koscierzyna | 1,061.26 mi (1,707.93 km) |
| Gebze to Kostrzyn | 985.97 mi (1,586.77 km) |
| Gebze to Kostrzyn nad Odra | 1,069.63 mi (1,721.40 km) |
| Gebze to Koszalin | 1,109.42 mi (1,785.44 km) |
| Gebze to Kowary | 948.81 mi (1,526.96 km) |
| Gebze to Kozienice | 833.53 mi (1,341.44 km) |
| Gebze to Kozuchow | 1,001.02 mi (1,610.99 km) |
| Gebze to Kozy | 799.66 mi (1,286.92 km) |
| Gebze to Krakow | 786.98 mi (1,266.53 km) |
| Gebze to Krapkowice | 865.71 mi (1,393.23 km) |
| Gebze to Krasnik | 779.61 mi (1,254.66 km) |
| Gebze to Krasnystaw | 764.42 mi (1,230.22 km) |
| Gebze to Krosno | 717.77 mi (1,155.15 km) |
