Posted by LordOfBikes on Jun 27, 2021; 3:46pm
URL: https://forum.librecad.org/Ortho-line-length-tp5720802p5720803.html

I assume you have activated Snap Distance, then the Distance box in tool options bar belongs to that.
See https://librecad.readthedocs.io/en/latest/ref/snaps.html?highlight=distance#snapping

Do you already know the user manual search function?
https://librecad.readthedocs.io/en/latest/search.html?q=distance&check_keywords=yes&area=default