You can find any tool by the Menu Structure HERE: https://turbocaddoc.atlassian.net/wiki/display/TC20UG/Menu+Structure
You can find the menu location of any tool by name HERE: https://turbocaddoc.atlassian.net/wiki/display/TC20UG/Tools+Mapped+to+Menus
Minimal Distance
Creates the line representing the shortest distance between two 2D objects. The objects must be on the same workplane.
- Select the first object from which you want to draw the shortest line.
- Select the second object.
- The shortest-distance line is created.
Local menu options:
 Through Point: Creates a line passing through a specified point. The through point should only be specified for one of the objects, otherwise a standard single line is created.
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Show beforehand displays the shortest line to an object when you pass the cursor over it. This allows you to preview the line before creating it.