| Gladbeck to Kocaeli | 1,319.02 mi (2,122.76 km) |
| Gladbeck to Konak | 1,331.79 mi (2,143.31 km) |
| Gladbeck to Konakli | 1,598.88 mi (2,573.14 km) |
| Gladbeck to Konya | 1,556.61 mi (2,505.13 km) |
| Gladbeck to Koprukoy | 1,839.99 mi (2,961.18 km) |
| Gladbeck to Korfez | 1,310.92 mi (2,109.72 km) |
| Gladbeck to Korkut | 1,889.45 mi (3,040.78 km) |
| Gladbeck to Kose | 1,737.18 mi (2,795.72 km) |
| Gladbeck to Kovancilar | 1,810.83 mi (2,914.25 km) |
| Gladbeck to Koyulhisar | 1,657.54 mi (2,667.56 km) |
| Gladbeck to Kozan | 1,705.52 mi (2,744.77 km) |
| Gladbeck to Kozlu | 1,361.04 mi (2,190.38 km) |
| Gladbeck to Kozluk | 1,901.44 mi (3,060.07 km) |
| Gladbeck to Kucuk Dalyan | 1,780.08 mi (2,864.75 km) |
| Gladbeck to Kucukcekmece | 1,264.84 mi (2,035.56 km) |
