Tasmania (Australia) is 73 times larger than Austin, Texas.
Tasmania is an island state, part of the Commonwealth of Australia, located 240 kilometres to the south of the Australian continent, separated by Bass Strait. The state includes the island of Tasmania, the 26th largest island in the world, and the surrounding 334 islands. 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