Cost of living in Piatra Neamţ (Romania) is 24% more expensive than in Adapazarı (Turkey)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 95 prices entered by 6 different people.
For example, you would need at least 3,602TL (2,998 lei) in Piatra Neamţ to maintain the same standard of living that you can have with 2,900TL in Adapazarı.