Argentina is about 14 times bigger than South Dakota.

South Dakota is approximately 196,540 sq km, while Argentina is approximately 2,780,400 sq km, making Argentina 1,315% larger than South Dakota. Meanwhile, the population of South Dakota is ~814,180 people (45.4 million more people live in Argentina).
Tip: This to-scale comparison of South Dakota vs. Argentina uses the Mercator projection, which distorts the size of regions near the poles.
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