Connecticut is about 3.3 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 Connecticut is approximately 12,548 sq km, making Connecticut 229% larger than Sydney.
Tip: This to-scale comparison of Sydney vs. Connecticut uses the Mercator projection, which distorts the size of regions near the poles.
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