Cost of living in Kaliningrad (Russia) is 27% cheaper than in Žilina (Slovakia)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 54 prices entered by 11 different people.
For example, to keep the same standard of living that would require €1,500 in Žilina you would need to make just about €1,099 (руб 81,258) in Kaliningrad.