Cost of living in Chungju (South Korea) is 28% more expensive than in Alchevs'k (Ukraine)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on less than 10 prices entered by less than 5 different people.
For example, you would need at least 6,512₴ (₩279,989) in Chungju to maintain the same standard of living that you can have with 5,100₴ in Alchevs'k.