Here is the definitive long-form guide on how to import KML files into AutoCAD, covering the native method, free workarounds, and professional tools.
Standard AutoCAD users; complex geometry with attached data. Pros: Free, retains attribute data (object data). how to import kml file into autocad
A purpose-built GIS plugin for importing geographic files into CAD geometry. 3. Converting KML to DXF (No Plugin Method) Import KML/KMZ files into AutoCAD Map 3D or Civil 3D Here is the definitive long-form guide on how
This is a robust plugin provided by Esri. covering the native method
How to Import KML File into AutoCAD Format: Step-by-step tutorial (text/video)