Heard Island and McDonald Islands is about 12 times smaller than Trinidad and Tobago.

Trinidad and Tobago is approximately 5,128 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 8.03% the size of Trinidad and Tobago.
Tip: This to-scale comparison of Trinidad and Tobago vs. Heard Island and McDonald Islands uses the Mercator projection, which distorts the size of regions near the poles.

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