Romania is 2,539 times larger than Arvada, Colorado.
Area: 238,391 km2 World Factbook
Population: 21,729,871 (July 2014) World Factbook
Romania, formerly also spelled Roumania and Rumania, is a country located at the crossroads of Southeastern and Central Europe, on the Lower Danube, north of the Balkan Peninsula and the western shore of the Black Sea. Wikipedia
Area: 94 km2 calculated
The City of Arvada is a Home Rule Municipality located in Jefferson and Adams counties in the Denver metropolitan area of the U.S. State of Colorado. The Olde Town Arvada historic district is located 7 miles northwest of the Colorado State Capitol in Denver. Wikipedia