California is about 2 times bigger than Nebraska.

Nebraska is approximately 199,099 sq km, while California is approximately 403,882 sq km, making California 103% larger than Nebraska. Meanwhile, the population of Nebraska is ~1.8 million people (35.4 million more people live in California).
Tip: This to-scale comparison of Nebraska vs. California uses the Mercator projection, which distorts the size of regions near the poles.
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