I assume that my carrier sees location data on my device, but as I have learned to live within F-Droid on my daily driver, I assume that I am immune from this Google intrusion.
I do have an older stock phone that keeps my Google login for when I need access to Google services. If it is powered down for a month, I am assuming that I am free of Google for that month.
Google is a destructive force upon their customer base. Abandoning Google is always the correct action.
Did you transition or quit cold turkey? I switched to Lineage OS with micog. Actually, now that I look through what I installed via Aurora, I'm surprised how few apps there are. 3 required for work. I guess I could reduce that to one with some effort. A few financial / shopping apps that are nice to have vs using their website. Google maps (not sure the replacement to that is).
I've found it to be more than good enough. There's also various OSM based apps:
https://wiki.openstreetmap.org/wiki/Comparison_of_Android_ap...
Try HERE WeGo: https://play.google.com/store/apps/details?id=com.here.app.m...
It’s not quite as polished as Google Maps, but I use it as my primary maps app and have mostly not been disappointed.
I keep an iPhone 7 for corporate apps, but I'm on a Pixel 3a XL that hasn't talked to Google since I bought it.
OsmAnd~ is great :-)
I uses a separate app called GPS Coordinates. I give it an address and it gives me lat/long which I paste into OSM. I'm sure there's gotta be a better way.