Andorra is 2.6 times larger than Washington, D.C..
Area: 468 km2 World Factbook
Population: 85,458 (July 2014) World Factbook
Andorra, officially the Principality of Andorra, also called the Principality of the Valleys of Andorra, is a landlocked microstate in Southwestern Europe, located in the eastern Pyrenees mountains and bordered by Spain and France. Wikipedia
Area: 178 km2 calculated
Washington, D.C., formally the District of Columbia and commonly referred to as Washington, "the District", or simply D.C., is the capital of the United States. Wikipedia