Cost of living in Nancy (France) is 68% more expensive than in Zielona Góra (Poland)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 19 prices entered by 7 different people.
For example, you would need at least 7,565 zł (€1,768) in Nancy to maintain the same standard of living that you can have with 4,500 zł in Zielona Góra.