If you search for cost of living comparison calculators, you can find different ones with different focuses. None can tell a specific person what it will cost them bc people have different views on standard of living, needs, etc. Here are 2 with different focuses:
This one is good for general demographic info:
https://www.moving.com/real-estate/compare-cities/ (this one is good for highlighting public transportation useage.)
This one will break down comparative costs by housing, transportation, food, etc.
https://www.nerdwallet.com/cost-of-living-calculator