Conde Nast Traveler presents eight of the best long-distance hiking trails in America. Vermont's home to the oldest long-distance hiking trail in the US. This trail winds from Arkansas through Oklahoma. This trail covers 1,200 miles across Montana and Washington state. This trail covers 4,600 miles across seven states from New York to North Dakota. This trail is one of the most famous long hiking trails in the United States, extending from Georgia all the way up to Maine.