California is about 29 times bigger than Montenegro.

Montenegro is approximately 13,812 sq km, while California is approximately 403,882 sq km, making California 2,824% larger than Montenegro. Meanwhile, the population of Montenegro is ~604,966 people (36.6 million more people live in California).
This to-scale comparison of Montenegro vs. California uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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