Cost of living in Houston, Texas (United States) is 25% more expensive than in Corunna (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 2,790 prices entered by 412 different people.
For example, you would need at least €2,616 ($2,971) in Houston, Texas to maintain the same standard of living that you can have with €2,100 in Corunna.