Mongolia is 1,676 times larger than Austin, Texas.
Area: 1,564,116 km2 World Factbook
Population: 2,953,190 (July 2014) World Factbook
Mongolia is a landlocked country in east-central Asia. It is bordered by Russia to the north and China to the south, east and west. Ulaanbaatar, the capital and also the largest city, is home to about 45% of the population. Mongolia's political system is a parliamentary republic. Wikipedia
Area: 933 km2 calculated
Austin is the capital of Texas and the seat of Travis County. Located in Central Texas and the American Southwest, it is the 11th-most populous city in the United States of America and the fourth-most populous city in the state of Texas. Wikipedia