Boulder is the county seat and most populous city of Boulder County and the 11th most populous city in the U.S. state of Colorado. Boulder is located at the base of the foothills of the Rocky Mountains at an elevation of 5,430 feet. The city is 25 miles northwest of Denver. Wikipedia

Overland Park is the second most populous city in the U.S. state of Kansas. Located in Johnson County, it is a suburb of Kansas City, Missouri and the second most populous city in the Kansas City metropolitan area. As of the 2010 census, the city population was 173,372. Wikipedia