Sydney is about 75 times smaller than Nevada.

Nevada is approximately 284,448 sq km, while Sydney (the 30 councils of metropolitan Sydney, without the Blue Mountains, Hawkesbury, Wollondilly and the Central Coast) is approximately 3,810 sq km, making Sydney 1.34% the size of Nevada.
Tip: This to-scale comparison of Nevada vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles.
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