| Langenfeld to Kayapinar | 1,850.96 mi (2,978.84 km) |
| Langenfeld to Kayseri | 1,622.39 mi (2,610.98 km) |
| Langenfeld to Kemalpasa | 1,324.66 mi (2,131.84 km) |
| Langenfeld to Kemer | 1,533.30 mi (2,467.61 km) |
| Langenfeld to Keskin | 1,503.54 mi (2,419.71 km) |
| Langenfeld to Kilimli | 1,352.05 mi (2,175.91 km) |
| Langenfeld to Kilis | 1,781.56 mi (2,867.14 km) |
| Langenfeld to Kinik | 1,289.33 mi (2,074.98 km) |
| Langenfeld to Kirikkale | 1,491.95 mi (2,401.06 km) |
| Langenfeld to Kirkagac | 1,299.63 mi (2,091.55 km) |
| Langenfeld to Kirklareli | 1,156.94 mi (1,861.92 km) |
| Langenfeld to Kirsehir | 1,549.47 mi (2,493.64 km) |
| Langenfeld to Kizilpinar | 1,207.11 mi (1,942.66 km) |
| Langenfeld to Kiziltepe | 1,901.03 mi (3,059.41 km) |
| Langenfeld to Kocaali | 1,330.77 mi (2,141.66 km) |
