Cost of living in Ithaca, New York (United States) is 4% cheaper than in Adelaide (Australia)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 1,010 prices entered by 106 different people.
For example, to keep the same standard of living that would require AU$5,400 in Adelaide you would need to make just about AU$5,163 ($3,708) in Ithaca, New York.