Compare Cost of Living in Different Cities

There are many websites that compare the cost of living on different cities. A person wouldn't think there would be such big difference in the USA. If one would compare cites such as a small one in WV compared to New York City there is a large difference. The cost of living in NYC is unbelievable. The same size apartment one could rent for $3000 a month compared to the price of $300 in a small .