Cost of living in Enschede (Netherlands) is 113% 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 274 prices entered by 29 different people.
For example, you would need at least 14,303 zł (€3,336) in Enschede to maintain the same standard of living that you can have with 6,700 zł in Łódź.