Heard Island and McDonald Islands is about 804 times smaller than Vietnam.

Vietnam is approximately 331,210 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 0.12% the size of Vietnam.
Tip: This to-scale comparison of Vietnam 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. Vietnam

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