In AutoCAD:

Introduced in modern AutoCAD versions (2015+), this is the preferred method for maintaining spatial fidelity.

For older AutoCAD versions or complex data (e.g., 3D polylines, points with elevation):

Exporting AutoCAD coordinates to Google Earth involves converting your drawing (DWG/DXF) into a KML or KMZ file format, which Google Earth can interpret as geographical data. While standard AutoCAD and AutoCAD LT do not have a native "Save As KML" button, you can achieve this using specialized vertical products like Civil 3D, Map 3D, or third-party plugins. 1. Using AutoCAD Map 3D or Civil 3D (Native Commands)