Unlike the above post, I don't want this for tax purposes etc., but rather just to understand where all my distance driven comes from.
Edit: I've done some more research and haven't found anything, for now I'll just use an OnlyOffice spreadsheet. If I find the time, I might try developing an app for this at some point.
Edit 2: After developing my app for a week and then showing it to a friend, he instantly found exactly what I was working on...