Cost of living in Bern (Switzerland) is 210% more expensive than in Zenica (Bosnia and Herzegovina)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 366 prices entered by 28 different people.
For example, you would need at least 4,646KM (CHF 2,677) in Bern to maintain the same standard of living that you can have with 1,500KM in Zenica.