Isle of Man is about 1.4 times bigger than Heard Island and McDonald Islands.

Heard Island and McDonald Islands is approximately 412 sq km, while Isle of Man is approximately 572 sq km, making Isle of Man 39% larger than Heard Island and McDonald Islands.
Tip: This to-scale comparison of Heard Island and McDonald Islands vs. Isle of Man uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: Isle of Man vs. Heard Island and McDonald Islands

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