Greenland is about 5 times bigger than California.

California is approximately 403,882 sq km, while Greenland is approximately 2,166,086 sq km, making Greenland 436% larger than California. Meanwhile, the population of California is ~39.4 million people (39.3 million fewer people live in Greenland).
Tip: This to-scale comparison of California vs. Greenland uses the Mercator projection, which distorts the size of regions near the poles.
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