Cost of living in Flint, Michigan (United States) is 5% more expensive than in Zaragoza (Spain)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 373 prices entered by 39 different people.
For example, you would need at least €2,733 ($3,210) in Flint, Michigan to maintain the same standard of living that you can have with €2,600 in Zaragoza.