Iran is 1,676,673 times larger than Round Rock, Texas.
Area: 1,648,195 km2 World Factbook
Population: 80,840,713 (July 2014) World Factbook
Iran, also known as Persia, officially the Islamic Republic of Iran, is a country in Western Asia. Wikipedia
Area: 1 km2 calculated
Population: 106,573 (2012)
Round Rock is a city in the state of Texas within the Greater Austin, Texas metropolitan area and Williamson County. The 2013 census estimate places the population at 109,821. Wikipedia