Nevada is about 75 times bigger than Sydney.

Sydney (the 30 councils of metropolitan Sydney, without the Blue Mountains, Hawkesbury, Wollondilly and the Central Coast) is approximately 3,810 sq km, while Nevada is approximately 284,448 sq km, making Nevada 7,366% larger than Sydney.
Tip: This to-scale comparison of Sydney vs. Nevada uses the Mercator projection, which distorts the size of regions near the poles.
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