Heard Island and McDonald Islands is around the same size as Northern Mariana Islands.

Northern Mariana Islands is approximately 464 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 88.79% the size of Northern Mariana Islands.
Tip: This to-scale comparison of Northern Mariana Islands vs. Heard Island and McDonald Islands uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: Heard Island and McDonald Islands vs. Northern Mariana Islands

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