Cost of living in Rennes (France) is 100% more expensive than in Ahvaz (Iran)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 158 prices entered by 22 different people.
For example, you would need at least ﷼ 92,496,933 (€1,689) in Rennes to maintain the same standard of living that you can have with ﷼ 46,200,000 in Ahvaz.