Connecticut is about 470 times bigger than Sydney.

Sydney is approximately 27 sq km, while Connecticut is approximately 12,548 sq km, making Connecticut 46,896% 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.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.