High Quality Content by WIKIPEDIA articles! M-64 is a north–south state trunkline highway in the Upper Peninsula of the US state of Michigan. It runs for 63.765 miles (102.620 km) through the western part of the state in land that is part of the Ottawa National Forest. The highway connects with County Trunk Highway B (CTH B) at the state line near Presque Isle, Wisconsin. As it passes through dense forests, M-64 runs along lakes Gogebic and Superior. The northern end is at a junction with US Highway 45 (US 45) in Ontonagon.