Error creating thumbnail: Invalid Parameter - white This article needs to meet Wikipedia's . This article is poorly written and needs significant language restructuring in order to improve it. Longville is a city in Cass County, Minnesota, United States. The population was 180 at the 2000 census. The city was named after its founder Jim Long. The town is roughly 4 hours north of the Twin Cities. It is part of the Brainerd Micropolitan Statistical Area. Minnesota State Highway 84 serves as a main route in the community, and Minnesota State Highway 200 is nearby.