Colorado is about 652 times bigger than Heard Island and McDonald Islands.

Heard Island and McDonald Islands is approximately 412 sq km, while Colorado is approximately 268,627 sq km, making Colorado 65,101% larger than Heard Island and McDonald Islands.
Tip: This to-scale comparison of Heard Island and McDonald Islands vs. Colorado uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: Colorado vs. Heard Island and McDonald Islands

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