Cost of living in La Plata (Argentina) is 70% cheaper than in Aarhus (Denmark)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 799 prices entered by 58 different people.
For example, to keep the same standard of living that would require kr37,000 in Aarhus you would need to make just about kr11,219 (ARS $64,522) in La Plata.