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.
Virginia is bordered by West Virginia and Maryland on the north and by North Carolina and Tennessee on the south. On the east, Virginia is bordered by Maryland and the Atlantic Ocean. On the west, Virginia is bordered by West Virginia and Kentucky. Total Area.