Manny walked a total of 3 miles. The reference point used to calculate the total distance that he walked was the same as the ending point. Which describes where Manny most likely walked?

The reference point for calculating distance is the starting point. If it is also the ending point, Manny finished where he began. A circular nature trail brings him back to his starting point, unlike the routes from one place to another.

AI-written and checked against the verified answer.