This problem is traditionally known as finding the "diameter" of a set of points, e.g. https://stackoverflow.com/questions/27414060/find-the-diameter-of-a-set-o

This problem is traditionally known as finding the "diameter" of a set of points, e.g. https://stackoverflow.com/questions/27414060/find-the-diameter-of-a-set-of-n-points-in-d-dimensional-space https://stackoverflow.com/questions/27414060/find-the-diamet...