Dominica is about 1.8 times bigger than Heard Island and McDonald Islands.

Heard Island and McDonald Islands is approximately 412 sq km, while Dominica is approximately 751 sq km, making Dominica 82% larger than Heard Island and McDonald Islands.
Tip: This to-scale comparison of Heard Island and McDonald Islands vs. Dominica uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: Dominica vs. Heard Island and McDonald Islands

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