Sydney is about 1.9 times smaller than Beaverton.

Beaverton (map shows its 13 named neighbourhoods; the area covers the whole city) is approximately 51 sq km, while Sydney is approximately 27 sq km, making Sydney 52.24% the size of Beaverton.
Tip: This to-scale comparison of Beaverton vs. Sydney 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.