Arizona is about 1.6 times bigger than Missouri.

Missouri is approximately 178,414 sq km, while Arizona is approximately 294,312 sq km, making Arizona 65% larger than Missouri. Meanwhile, the population of Missouri is ~6.0 million people (403,090 more people live in Arizona).
This to-scale comparison of Missouri vs. Arizona uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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