Minnesota State Highway 87 (MN 87) is a highway in north-central and northwest Minnesota, which runs from its interchange with U.S. Highway 10 at Frazee and continues east to its eastern terminus at its intersection with State Highway 84 in Ponto Lake Township, 7 miles (11 km) east of Backus and 11 miles (18 km) southwest of Longville.Highway 87 is 83 miles (134 km) in length.