A study published recently in Nature Cities, a journal, shows which places do this best.

Pronounced “the best planned city in America” by Frederick Law Olmsted, and often billed as the “20-minute city” for its easy accessibility, Buffalo’s world-class design makes getting around a snap.

Displaying the plan at the Centennial Exposition in Philadelphia, Olmsted declared Buffalo “the best planned city, as to streets, public places, and grounds, in the United States, if not in the ...