Sydney is about 54 times smaller than Minnesota.

Minnesota is approximately 206,189 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 1.85% the size of Minnesota.
Tip: This to-scale comparison of Minnesota vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles.
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