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

Heard Island and McDonald Islands is approximately 412 sq km, while Saudi Arabia is approximately 2,149,690 sq km, making Saudi Arabia 521,669% larger than Heard Island and McDonald Islands.
Tip: This to-scale comparison of Heard Island and McDonald Islands vs. Saudi Arabia uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: Saudi Arabia vs. Heard Island and McDonald Islands

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