What is the best itinerary for completing the Lake Michigan Circle Tour in 4 days?

A recommended itinerary for completing the Lake Michigan Circle Tour in 4 days is to start in Chicago, head north along the western coast of Lake Michigan, passing through cities like Milwaukee and Green Bay. Continue along the eastern coast, visiting cities like Traverse City and Mackinaw City. Finally, head south back to Chicago, completing the circle. This route allows for a mix of city exploration and scenic views of Lake Michigan.