Country size comparison

compared to

Heard Island and McDonald Islands is about 1.3 times smaller than Guam.

Guam is approximately 544 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 75.74% the size of Guam.
This to-scale comparison of Guam vs. Heard Island and McDonald Islands uses the Mercator projection, which distorts the size of regions near the poles. Learn more.
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