Pat was driving through a rural area where all roads formed a right-angle grid and were spaced 1 mile apart….

Pat was driving through a rural area where all roads formed a right-angle grid and were spaced 1 mile apart. He drove 3 miles north, 2 miles east, 4 miles north, 5 miles west and 1 mile south. To the nearest tenth mile, how far is he from his starting point?