Michigan shares borders with Ohio and Indiana to the south.
And Wisconsin, as the Upper Peninsula borders it up north.
(There are water borders within the Great Lakes with Illinois and Minnesota.)
The state of Wisconsin shares a border with both Minnesota and Michigan. Wisconsin also shares a border with Iowa and Illinois.
Michigan
That would be Wisconsin.
Wisconsin
Both Indiana and Ohio boarder the southern line of Michigan's Lower Peninsula, while the state of Wisconsin shares a border just below Michigan's Upper Peninsula.
Indiana.
A north-central US State that border Lake Michigan and Lake Superior and also shares borders with Illinois, Iowa, Michigan and Minnesota.
The state of Michigan shares its name with Lake Michigan.
The state of Michigan shares its name with Lake Michigan.
The state of Michigan shares its name with Lake Michigan.
Canada shares a border with Michigan. The border is delineated by a variety of rivers and lakes, notably Lake Huron, Lake St. Claire, River St. Claire. The two entities do not share a border by land.
Maine, it shares a border with Vermont.