| Kalkar to Koscielisko | 619.75 mi (997.39 km) |
| Kalkar to Koscierzyna | 513.18 mi (825.89 km) |
| Kalkar to Kostrzyn | 465.99 mi (749.94 km) |
| Kalkar to Kostrzyn nad Odra | 359.52 mi (578.60 km) |
| Kalkar to Koszalin | 444.82 mi (715.88 km) |
| Kalkar to Kowary | 417.32 mi (671.61 km) |
| Kalkar to Kozienice | 653.53 mi (1,051.76 km) |
| Kalkar to Kozuchow | 397.91 mi (640.37 km) |
| Kalkar to Kozy | 575.32 mi (925.90 km) |
| Kalkar to Krakow | 604.82 mi (973.36 km) |
| Kalkar to Krapkowice | 513.48 mi (826.37 km) |
| Kalkar to Krasnik | 688.47 mi (1,107.99 km) |
| Kalkar to Krasnystaw | 728.94 mi (1,173.12 km) |
| Kalkar to Krosno | 689.65 mi (1,109.88 km) |
| Kalkar to Krosno Odrzanskie | 375.93 mi (604.99 km) |
