| Duisburg to Kocaeli | 1,323.10 mi (2,129.33 km) |
| Duisburg to Konak | 1,333.81 mi (2,146.55 km) |
| Duisburg to Konakli | 1,601.86 mi (2,577.94 km) |
| Duisburg to Konya | 1,560.27 mi (2,511.01 km) |
| Duisburg to Koprukoy | 1,846.73 mi (2,972.03 km) |
| Duisburg to Korfez | 1,314.95 mi (2,116.21 km) |
| Duisburg to Korkut | 1,895.77 mi (3,050.95 km) |
| Duisburg to Kose | 1,743.56 mi (2,805.98 km) |
| Duisburg to Kovancilar | 1,816.74 mi (2,923.76 km) |
| Duisburg to Koyulhisar | 1,663.56 mi (2,677.25 km) |
| Duisburg to Kozan | 1,709.99 mi (2,751.96 km) |
| Duisburg to Kozlu | 1,365.99 mi (2,198.36 km) |
| Duisburg to Kozluk | 1,907.53 mi (3,069.87 km) |
| Duisburg to Kucuk Dalyan | 1,784.21 mi (2,871.41 km) |
| Duisburg to Kucukcekmece | 1,268.67 mi (2,041.72 km) |
