| Duchcov to Kocaeli | 1,031.20 mi (1,659.56 km) |
| Duchcov to Konak | 1,065.91 mi (1,715.42 km) |
| Duchcov to Konakli | 1,320.43 mi (2,125.02 km) |
| Duchcov to Konya | 1,271.79 mi (2,046.75 km) |
| Duchcov to Koprukoy | 1,538.63 mi (2,476.18 km) |
| Duchcov to Korfez | 1,023.56 mi (1,647.25 km) |
| Duchcov to Korkut | 1,588.80 mi (2,556.93 km) |
| Duchcov to Kose | 1,436.43 mi (2,311.71 km) |
| Duchcov to Kovancilar | 1,511.40 mi (2,432.37 km) |
| Duchcov to Koyulhisar | 1,357.80 mi (2,185.16 km) |
| Duchcov to Kozan | 1,413.88 mi (2,275.41 km) |
| Duchcov to Kozlu | 1,066.65 mi (1,716.61 km) |
| Duchcov to Kozluk | 1,601.42 mi (2,577.23 km) |
| Duchcov to Kucuk Dalyan | 1,490.73 mi (2,399.10 km) |
| Duchcov to Kucukcekmece | 979.48 mi (1,576.32 km) |
