Trivia: How long is the Grand Canyon?
31 miles
101 miles
277 miles
962 miles
The correct answer is 277 miles
So why is this answer correct? : With its 277-mile length, the Grand Canyon certainly lives up to its name. It also ranges between four and 18 miles wide and stretches over a mile deep at its deepest point, which is 6,093 feet below the surface. Grand Canyon National Park as a whole spans more than 1.2 million acres of land.