Heard Island and McDonald Islands is about 124 times smaller than Costa Rica.

Costa Rica is approximately 51,100 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 0.81% the size of Costa Rica.
Tip: This to-scale comparison of Costa Rica 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. Costa Rica

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