Michigan Has sort of mountains in the Upper peninsula, very close to WI. But I would recommend the Rocky mountains in Wyoming or MT. You could also find mountains in TN area "the smokies" But the rockies are a short 15 hour drive from WI. That's where you should go if you want to the the best mountains in the US.
The closest ocean in the Atlantic, the closest oceans state is probably Pennsylvania.
wisconsin
Michigan and Wisconsin
Closest mountain from new orleans
The Mountain State - with the highest mean altitude east of the Mississippi - has multiple mountains throughout the state. The Allegheny Mountains cross the state and The Appalachian's and the Blue Ridge Mountains offer a lot of hiking and outdoor activities.
California is the closest state to being this size. It is about 30,000 sq. miles smaller, however.
Dane County Regional Airport (MSN) is the closest airport to the Wisconsin Dells.
The closest major airport to Pittsville, Wisconsin is Central Wisconsin Airport (CWA / KCWA). This airport is in Mosinee, Wisconsin and is about 46 road miles from the center of Pittsville.
The Transantarctic Mountains are the mountains closest to the south pole.
The Ozark Mountains in Missouri, the Whitecap Mountains in Wisconsin, and parts of the Appalachian Mountains.
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Michigan is located between Lake Huron and Lake Michigan, they both are in Michigan.