Cost of living in Mahilioŭ (Belarus) is about the same as in Zhytomyr (Ukraine)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 73 prices entered by less than 5 different people.
For example, you would need at least 31,219₴ (2,381 BYN) in Mahilioŭ to maintain the same standard of living that you can have with 31,000₴ in Zhytomyr.