Cost of living in Mahilioŭ (Belarus) is 8% more expensive than 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 66 prices entered by less than 5 different people.
For example, you would need at least 28,023₴ (2,129 BYN) in Mahilioŭ to maintain the same standard of living that you can have with 26,000₴ in Zhytomyr.