Heard Island and McDonald Islands is about 1,064 times smaller than Iraq.

Iraq is approximately 438,317 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 0.09% the size of Iraq.
Tip: This to-scale comparison of Iraq vs. Heard Island and McDonald Islands uses the Mercator projection, which distorts the size of regions near the poles.
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