@rudo @organicmaps
In Google Takeout
https://takeout.google.com/
there is a different option, which should be called:
"Saved - Collections of saved links (e.g. images, places, web pages) from Google Search and Google Maps."
By exporting this you will receive in a subfolder called "Saved" all your lists of Google Maps "My Lists", each as csv-file.
So far I wasn't successful to converting and importing them.
@jnbrgr @organicmaps I looked at the CSV exports. This is trickier since they only contain a Google Maps URL. One would have to fetch the data (like title, coordinates) from the Google Maps API. To do that, you would have to provide an API key. Doable, but maybe easier as a script (where you provide the API key) instead of a browser-based tool.