South Dakota is about 2.3 times bigger than Austria.

Austria is approximately 83,871 sq km, while South Dakota is approximately 196,540 sq km, making South Dakota 134% larger than Austria. Meanwhile, the population of Austria is ~8.9 million people (8.1 million fewer people live in South Dakota).
This to-scale comparison of Austria vs. South Dakota uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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