Sydney is about 65 times smaller than Oregon.

Oregon is approximately 248,631 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 1.53% the size of Oregon.
Tip: This to-scale comparison of Oregon vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles.
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