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.
Reston Town Center is located six miles east of Washington Dulles International Airport and 21 miles west of Washington, D.C., just north of Exit 12 (Reston Parkway) off the Dulles Toll Road (VA-267).