Heard Island and McDonald Islands is about 7 times bigger than British Indian Ocean Territory.

British Indian Ocean Territory is approximately 60 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 587% larger than British Indian Ocean Territory.
Tip: This to-scale comparison of British Indian Ocean Territory vs. Heard Island and McDonald Islands uses the Mercator projection, which distorts the size of regions near the poles.

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