Cost of living in Kaliningrad (Russia) is 50% cheaper than in Zaragoza (Spain)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 153 prices entered by 26 different people.
For example, to keep the same standard of living that would require €2,600 in Zaragoza you would need to make just about €1,287 (руб 90,244) in Kaliningrad.