The longest hiking only trail in the US is the Appalachian National Scenic Trail which is also known as the A.T. or Appalachian Trail.
The Appalachian National Scenic Trail measures around 2,190 miles in length and distances and is the only longest hiking footpath in the world.
The other longest trail to hike in the United States is the American Discovery Trail.
The American Discovery Trail crosses through 15 states coast to coast and has a 6,800 mile route.
The American Discovery Trail boasts the longest hiking distance of any trail in the United States.
The American Discovery Trail also has 16 national forests and 14 national parks and stretches 6,800 miles from the Delaware coast to the Pacific Coast.
You can hike, bike and even ride horses on most of the American discovery trail.
Walking or hiking the American discovery trail would take at least 390 days just to cover 5,000 miles of the trail.
To walk or hike the American discovery trail would take around 450 to 500 days depending on how fast you hike or walk.
A lady named Briana DeSanctis, 40 years old set out on January 1st 2022 on the American Discovery Trail and traversed and hiked more than 6,800 miles across the nation and completed her Trek in Feb of 2024 on California's Pacific Coast.
The American Discovery trail starts out and stretches from Cape Henlopen State Park, Delaware, to Pt. Reyes National Seashore, California.