| Duchcov to Grevena | 815.87 mi (1,313.02 km) |
| Duchcov to Ialysos | 1,212.69 mi (1,951.64 km) |
| Duchcov to Ilion | 996.20 mi (1,603.23 km) |
| Duchcov to Ilioupoli | 1,003.61 mi (1,615.15 km) |
| Duchcov to Ioannina | 830.54 mi (1,336.63 km) |
| Duchcov to Irakleio | 1,198.35 mi (1,928.56 km) |
| Duchcov to Irakleio | 996.77 mi (1,604.15 km) |
| Duchcov to Kaisariani | 1,001.63 mi (1,611.97 km) |
| Duchcov to Kalamaria | 821.62 mi (1,322.26 km) |
| Duchcov to Kalamata | 1,024.33 mi (1,648.50 km) |
| Duchcov to Kallithea | 1,001.37 mi (1,611.55 km) |
| Duchcov to Kalymnos | 1,145.43 mi (1,843.40 km) |
| Duchcov to Kalyvia Thorikou | 1,013.82 mi (1,631.58 km) |
| Duchcov to Kamatero | 994.85 mi (1,601.06 km) |
| Duchcov to Karditsa | 871.81 mi (1,403.05 km) |
