Panama is about 183 times bigger than Heard Island and McDonald Islands.

Heard Island and McDonald Islands is approximately 412 sq km, while Panama is approximately 75,420 sq km, making Panama 18,206% larger than Heard Island and McDonald Islands.
Tip: This to-scale comparison of Heard Island and McDonald Islands vs. Panama uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: Panama vs. Heard Island and McDonald Islands

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