You are the best!Sorry, have not tried with google drive.
Everything
Can you turn on 'Index folder size '
www.voidtools.com/support/everything/options/
1. I usually right-click on folder
2. Select 'Open Path'
3. On Explorer click the path one above i.e.
4. The folder will still be selected so you can press the delete button or right-click and delete the the folder
I have not tried the following application. It seems to work with mapped drives.
Folder Size Explorer for windows latest news
www.folder-size-explorer.com