Longrun is an unincorporated community in western Ozark County, Missouri, United States.

[2] It is located on Route 95, approximately 5.7 miles (9.2 km) northwest of Theodosia and 5.4 miles (8.7 km) southwest of Thornfield.

[3] Longrun's post office closed and mail delivery is now served by Theodosia.

[4] The post office was discontinued in 1980.

This Ozark County, Missouri state location article is a stub.