Heard Island and McDonald Islands is about 936 times bigger than Holy See (Vatican City).

Holy See (Vatican City) is approximately 0 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 93,536% larger than Holy See (Vatican City).
Tip: This to-scale comparison of Holy See (Vatican City) 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. Holy See (Vatican City)

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