Cost of living in Almería (Spain) is 38% 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 10,783 zł (€2,511) in Almería to maintain the same standard of living that you can have with 7,800 zł in Łódź.