| Crystal to Koscian | 4,547.67 mi (7,318.76 km) |
| Crystal to Koscielisko | 4,784.29 mi (7,699.57 km) |
| Crystal to Koscierzyna | 4,491.41 mi (7,228.23 km) |
| Crystal to Kostrzyn | 4,550.49 mi (7,323.31 km) |
| Crystal to Kostrzyn nad Odra | 4,462.43 mi (7,181.58 km) |
| Crystal to Koszalin | 4,434.12 mi (7,136.02 km) |
| Crystal to Kowary | 4,583.21 mi (7,375.96 km) |
| Crystal to Kozienice | 4,720.83 mi (7,597.44 km) |
| Crystal to Kozuchow | 4,530.67 mi (7,291.42 km) |
| Crystal to Kozy | 4,732.49 mi (7,616.21 km) |
| Crystal to Krakow | 4,747.33 mi (7,640.10 km) |
| Crystal to Krapkowice | 4,666.15 mi (7,509.44 km) |
| Crystal to Krasnik | 4,773.63 mi (7,682.41 km) |
| Crystal to Krasnystaw | 4,798.81 mi (7,722.93 km) |
| Crystal to Krosno | 4,821.90 mi (7,760.09 km) |
