Cost of living in Bucheon (South Korea) is 146% more expensive than in Afyonkarahisar (Turkey)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 91 prices entered by less than 5 different people.
For example, you would need at least 7,882TL (₩1,664,835) in Bucheon to maintain the same standard of living that you can have with 3,200TL in Afyonkarahisar.