| Langenfeld to Kocaeli | 1,306.61 mi (2,102.79 km) |
| Langenfeld to Konak | 1,314.75 mi (2,115.88 km) |
| Langenfeld to Konakli | 1,583.90 mi (2,549.04 km) |
| Langenfeld to Konya | 1,543.17 mi (2,483.50 km) |
| Langenfeld to Koprukoy | 1,834.49 mi (2,952.32 km) |
| Langenfeld to Korfez | 1,298.39 mi (2,089.56 km) |
| Langenfeld to Korkut | 1,882.75 mi (3,030.00 km) |
| Langenfeld to Kose | 1,730.65 mi (2,785.21 km) |
| Langenfeld to Kovancilar | 1,803.01 mi (2,901.66 km) |
| Langenfeld to Koyulhisar | 1,650.04 mi (2,655.47 km) |
| Langenfeld to Kozan | 1,694.00 mi (2,726.22 km) |
| Langenfeld to Kozlu | 1,350.78 mi (2,173.87 km) |
| Langenfeld to Kozluk | 1,894.09 mi (3,048.25 km) |
| Langenfeld to Kucuk Dalyan | 1,767.75 mi (2,844.93 km) |
| Langenfeld to Kucukcekmece | 1,251.84 mi (2,014.63 km) |
