Longville is a city in Cass County, Minnesota, United States. The population was 156 at the 2010 census. The city was named after its founder, Jim Long. It is roughly four 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. Longville is home to Longville Municipal Airport.

Cass County is a county in the central part of the U.S. state of Minnesota. As of the 2020 census, the population was 30,066. Its county seat is Walker. The county was formed in 1851, and was organized in 1897.