| Gladbeck to Kalisz | 476.02 mi (766.08 km) |
| Gladbeck to Kamien Pomorski | 365.86 mi (588.79 km) |
| Gladbeck to Kamienna Gora | 396.19 mi (637.61 km) |
| Gladbeck to Karczew | 610.01 mi (981.72 km) |
| Gladbeck to Kartuzy | 504.49 mi (811.90 km) |
| Gladbeck to Katowice | 531.89 mi (855.99 km) |
| Gladbeck to Kedzierzyn-Kozle | 495.54 mi (797.50 km) |
| Gladbeck to Kepno | 474.57 mi (763.75 km) |
| Gladbeck to Ketrzyn | 625.24 mi (1,006.23 km) |
| Gladbeck to Kety | 547.25 mi (880.71 km) |
| Gladbeck to Kielce | 592.48 mi (953.51 km) |
| Gladbeck to Kielczow | 441.25 mi (710.12 km) |
| Gladbeck to Klobuck | 518.97 mi (835.21 km) |
| Gladbeck to Klodzko | 427.93 mi (688.69 km) |
| Gladbeck to Kluczbork | 487.45 mi (784.47 km) |
