| Duchcov to Jihlava | 116.71 mi (187.83 km) |
| Duchcov to Jindrichuv Hradec | 115.34 mi (185.61 km) |
| Duchcov to Jirkov | 14.95 mi (24.06 km) |
| Duchcov to Kadan | 26.15 mi (42.08 km) |
| Duchcov to Karlovy Vary | 46.32 mi (74.54 km) |
| Duchcov to Karvina | 218.20 mi (351.15 km) |
| Duchcov to Kladno | 35.02 mi (56.36 km) |
| Duchcov to Klasterec nad Ohri | 29.47 mi (47.42 km) |
| Duchcov to Klatovy | 85.86 mi (138.17 km) |
| Duchcov to Kolin | 75.49 mi (121.49 km) |
| Duchcov to Koprivnice | 206.88 mi (332.93 km) |
| Duchcov to Kralupy nad Vltavou | 35.32 mi (56.84 km) |
| Duchcov to Kraluv Dvur | 46.94 mi (75.55 km) |
| Duchcov to Krnov | 177.80 mi (286.15 km) |
| Duchcov to Kromeriz | 185.48 mi (298.50 km) |
