Australia is about 29 times bigger than Colorado.

Colorado is approximately 268,627 sq km, while Australia is approximately 7,741,220 sq km, making Australia 2,782% larger than Colorado. Meanwhile, the population of Colorado is ~5.0 million people (21.1 million more people live in Australia).
This to-scale comparison of Colorado vs. Australia uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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