Tennessee is about 28 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 Tennessee is approximately 106,752 sq km, making Tennessee 2,702% larger than Sydney.
Tip: This to-scale comparison of Sydney vs. Tennessee uses the Mercator projection, which distorts the size of regions near the poles.
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