Is there a way to store my inkscape files in google drive and open them directly to inkscape from there?

You mean the folders of paint servers, templates and so on  ?

Or any svg file you've cŕeated ? 

Any svg file I create. I would love to save it into google drive then open it into Inkscape directly from my google drive folder

Works here.

Is "Google Drive" a physical drive? I tried to access iCloud on macOS with no success so far.

To have an external folder ( Nas or web ) access from a PC. Go to “this pc” and create the connection with “connect a network drive”

To have an external drive

Polygon

Is "Google Drive" a physical drive? I tried to access iCloud on macOS with no success so far.

Download drive for desktop
https://www.google.com/drive/download/

I was asking if Google-Drive is something like iCloud (https://en.m.wikipedia.org/wiki/ICloud) which don't seems accessible via Inkscape just physical drives.

Google drive for desktop, quick tutorial.
https://youtu.be/Xa1QEp8d3hI