Heard Island and McDonald Islands is about 341 times smaller than Wisconsin.

Wisconsin is approximately 140,663 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 0.29% the size of Wisconsin.
Tip: This to-scale comparison of Wisconsin vs. Heard Island and McDonald Islands uses the Mercator projection, which distorts the size of regions near the poles.

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