Cost of living in Flint, Michigan (United States) is about the same as 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 312 prices entered by 29 different people.
For example, you would need at least €3,050 ($3,790) in Flint, Michigan to maintain the same standard of living that you can have with €3,000 in Zaragoza.