South Dakota is about 12 times bigger than Hawaii.

Hawaii is approximately 16,635 sq km, while South Dakota is approximately 196,540 sq km, making South Dakota 1,081% larger than Hawaii. Meanwhile, the population of Hawaii is ~1.4 million people (546,121 fewer people live in South Dakota).
Tip: This to-scale comparison of Hawaii vs. South Dakota uses the Mercator projection, which distorts the size of regions near the poles.
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