Sydney is about 56 times smaller than Utah.

Utah is approximately 212,751 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 1.79% the size of Utah.
Tip: This to-scale comparison of Utah vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles.
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