| Duchcov to Karakocan | 1,507.76 mi (2,426.50 km) |
| Duchcov to Karakopru | 1,541.32 mi (2,480.52 km) |
| Duchcov to Karaman | 1,333.92 mi (2,146.73 km) |
| Duchcov to Karapinar | 1,317.76 mi (2,120.72 km) |
| Duchcov to Karatas | 1,443.98 mi (2,323.85 km) |
| Duchcov to Karatepe | 1,034.44 mi (1,664.77 km) |
| Duchcov to Karayilan | 1,467.36 mi (2,361.49 km) |
| Duchcov to Kargipinar | 1,403.74 mi (2,259.10 km) |
| Duchcov to Karkamis | 1,528.03 mi (2,459.13 km) |
| Duchcov to Karliova | 1,532.30 mi (2,466.01 km) |
| Duchcov to Kars | 1,563.94 mi (2,516.91 km) |
| Duchcov to Kartal | 998.97 mi (1,607.69 km) |
| Duchcov to Kas | 1,269.76 mi (2,043.49 km) |
| Duchcov to Kastamonu | 1,147.92 mi (1,847.40 km) |
| Duchcov to Kavak | 1,251.64 mi (2,014.32 km) |
