> the median distance to the nearest food store for the overall U.S. population was 0.9 miles, with 40 percent of the U.S. population living more than 1 mile from a food store. The median distance to the third-nearest food store for the overall population was 1.7 miles. When the ERS researchers looked at rural food store access, they found that the median distance to the nearest and the third-nearest food store was 3.1 miles and 6.1 miles, respectively.
https://www.ers.usda.gov/amber-waves/2019/june/u-s-shoppers-...