| Trets to Jicin | 663.13 mi (1,067.20 km) |
| Trets to Jihlava | 624.97 mi (1,005.79 km) |
| Trets to Jindrichuv Hradec | 593.19 mi (954.65 km) |
| Trets to Jirkov | 608.71 mi (979.62 km) |
| Trets to Kadan | 597.17 mi (961.05 km) |
| Trets to Karlovy Vary | 578.26 mi (930.62 km) |
| Trets to Karvina | 751.87 mi (1,210.02 km) |
| Trets to Kladno | 609.87 mi (981.49 km) |
| Trets to Klasterec nad Ohri | 594.83 mi (957.28 km) |
| Trets to Klatovy | 547.43 mi (881.00 km) |
| Trets to Kolin | 639.17 mi (1,028.64 km) |
| Trets to Koprivnice | 727.56 mi (1,170.90 km) |
| Trets to Kralupy nad Vltavou | 620.90 mi (999.24 km) |
| Trets to Kraluv Dvur | 597.92 mi (962.27 km) |
| Trets to Krnov | 729.17 mi (1,173.49 km) |
