Sydney is about 16 times smaller than Wichita.

Wichita (map shows its 73 named neighbourhoods; the area covers the whole city) is approximately 428 sq km, while Sydney is approximately 27 sq km, making Sydney 6.25% the size of Wichita.
Tip: This to-scale comparison of Wichita 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.