Russia is about 42 times bigger than California.

California is approximately 403,882 sq km, while Russia is approximately 17,098,242 sq km, making Russia 4,133% larger than California. Meanwhile, the population of California is ~37.3 million people (104.8 million more people live in Russia).
This to-scale comparison of California vs. Russia uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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