Heard Island and McDonald Islands is about 5,218 times smaller than Saudi Arabia.

Saudi Arabia is approximately 2,149,690 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 0.02% the size of Saudi Arabia.
Tip: This to-scale comparison of Saudi Arabia 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. Saudi Arabia

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