| Duchcov to Koscielisko | 287.62 mi (462.88 km) |
| Duchcov to Koscierzyna | 301.33 mi (484.94 km) |
| Duchcov to Kostrzyn | 194.00 mi (312.22 km) |
| Duchcov to Kostrzyn nad Odra | 142.68 mi (229.62 km) |
| Duchcov to Koszalin | 268.82 mi (432.63 km) |
| Duchcov to Kowary | 92.25 mi (148.46 km) |
| Duchcov to Kozienice | 345.86 mi (556.60 km) |
| Duchcov to Kozuchow | 112.76 mi (181.48 km) |
| Duchcov to Kozy | 244.12 mi (392.88 km) |
| Duchcov to Krakow | 275.52 mi (443.40 km) |
| Duchcov to Krapkowice | 185.56 mi (298.62 km) |
| Duchcov to Krasnik | 370.63 mi (596.47 km) |
| Duchcov to Krasnystaw | 412.71 mi (664.19 km) |
| Duchcov to Krosno | 359.87 mi (579.16 km) |
| Duchcov to Krosno Odrzanskie | 114.76 mi (184.69 km) |
