North Dakota Highway 200

North Dakota Highway 200 (ND 200) is a major east–west state highway in North Dakota, United States. It runs from Minnesota State Highway 200 at the Minnesota border near Halstad, Minnesota to Montana Highway 200 near Fairview, Montana. At nearly 416 mi, it is the longest state highway in North Dakota.

This highway was originally numbered North Dakota Highway 7, but was renumbered to form a continuous chain of similarly numbered state highways that stretch approximately 1,356 mi long from Minnesota to Idaho.