California is about 1.3 times bigger than Poland.

Poland is approximately 312,685 sq km, while California is approximately 403,882 sq km, making California 29% larger than Poland. Meanwhile, the population of Poland is ~38.1 million people (839,145 fewer people live in California).
This to-scale comparison of Poland vs. California uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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