Cost of living in Almería (Spain) is 46% more expensive than in Łódź (Poland)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 270 prices entered by 22 different people.
For example, you would need at least 9,364 zł (€2,181) in Almería to maintain the same standard of living that you can have with 6,400 zł in Łódź.