Cost of living in Anchorage, Alaska (United States) is 137% more expensive than in Łódź (Poland)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 993 prices entered by 118 different people.
For example, you would need at least 15,898 zł ($4,346) in Anchorage, Alaska to maintain the same standard of living that you can have with 6,700 zł in Łódź.