Hi Pavel,
If you want good patch cables, have a look at the Cordial CPI series, here is just one example:
The do exist in different lengths.
In my opinion they are a bit (too) expensive, so I started to make cables myself but if you look for (real) good cables you might want to consider those. Kind regards, Garfield Modular.
For review reports of Eurorack modules, please refer to https://garfieldmodular.net/ for PDF formatted downloads