Cost of living in Düsseldorf (Germany) is 173% more expensive than in Adana (Turkey)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 267 prices entered by 52 different people.
For example, you would need at least 7,375TL (€1,505) in Düsseldorf to maintain the same standard of living that you can have with 2,700TL in Adana.