Guam is about 554 times smaller than Italy.

Italy is approximately 301,340 sq km, while Guam is approximately 544 sq km, making Guam 0.18% the size of Italy. Meanwhile, the population of Italy is ~61.1 million people (60.9 million fewer people live in Guam).
This to-scale comparison of Italy vs. Guam uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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