Nebraska is about 1.4 times bigger than Wisconsin.

Wisconsin is approximately 140,663 sq km, while Nebraska is approximately 199,099 sq km, making Nebraska 42% larger than Wisconsin. Meanwhile, the population of Wisconsin is ~6.0 million people (4.0 million fewer people live in Nebraska).
Tip: This to-scale comparison of Wisconsin vs. Nebraska uses the Mercator projection, which distorts the size of regions near the poles.
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