Lee's Summit, MissouriFrom Wikipedia, the free encyclopedia Jump to: navigation, search Lee's SummitCityLee's Summit, Missouri Flag Location of Lee's Summit in Jackson County and the U.S. state of MissouriCoordinates: 38°55′21″N 94°22′27″W / 38.92250°N 94.37417°W / 38.92250; -94.37417Coordinates: 38°55′21″N 94°22′27″W / 38.92250°N 94.37417°W / 38..