Waldo, Arkansas. Waldo is a town in Columbia County, Arkansas, United States. The population was 1,372 at the 2010 census.
Reston is a census-designated place (CDP) in Fairfax County, Virginia, United States, within the Washington, D.C. metropolitan area. The population was 58,404, at the 2010 Census and 56,407 at the 2000 census.
Langley is located in Hampton, Virginia, part of the Hampton Roads historic region. Hampton is located 62 miles south of Richmond, our state capital and 40 miles north of Virginia Beach, our largest city. It is separated from Norfolk by the body of water known as Hampton Roads.