1. Six Flags Great America- 67.8 miles, 1 hour and 5 minutes
2. Indiana Beach- 116 miles, 1 hour and 56 minutes
3. Michigan's Adventure- 200 miles, 3 hours and 21 minutes
Here are some honorable mentions, but did not quite make the cut:
Mt. Olympus- 206 miles, 3 hours and 2 minutes
Six Flags St. Louis- 295 miles, 4 hours and 10 minutes
Cedar Point- 304 miles, 4 hours and 42 minutes