South Dakota is about 3.1 times smaller than Ukraine.

Ukraine is approximately 603,550 sq km, while South Dakota is approximately 196,540 sq km, making South Dakota 32.56% the size of Ukraine. Meanwhile, the population of Ukraine is ~43.5 million people (42.7 million fewer people live in South Dakota).
This to-scale comparison of Ukraine vs. South Dakota uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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