Heard Island and McDonald Islands is about 652 times smaller than Colorado.

Colorado is approximately 268,627 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 0.15% the size of Colorado.
Tip: This to-scale comparison of Colorado vs. Heard Island and McDonald Islands uses the Mercator projection, which distorts the size of regions near the poles.

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