Richmond is a city in Ray County, Missouri, and part of the Kansas City metropolitan area within the United States. The population was 6,013 at the 2020 census. It is the county seat of Ray County.

Route 13 is a highway in Missouri which runs almost the entire north–south length of the state. Its northern terminus is at U.S. Route 69/136 in Bethany. Its southern terminus is at the Arkansas state line in downtown Blue Eye, Missouri–Arkansas where it continues as Highway 21. It is one of the original state highways of Missouri.