Columbus, Ohio Ranked as #1 – Accessibility to the American Market
It has been claimed for as long as I can remember that Columbus has the best access to the American market. Three Scale Research tested this claim and found it to be true. They used the 2010 census and calculated the population within a 500 mile radius or a day’s drive or an hour or so plane flight. They found Columbus to be within 500 miles of 147,500,000 people or 47.76% of the American population.
Maps, charts and more detail at link