Cost of living in Orkney (South Africa) is 25% more expensive than in Łódź (Poland)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 200 prices entered by 19 different people.
For example, you would need at least 8,111 zł (R 31,661) in Orkney to maintain the same standard of living that you can have with 6,500 zł in Łódź.