Colorado Springs is about 20 times bigger than Sydney.

Sydney is approximately 27 sq km, while Colorado Springs (map shows its 11 named neighbourhoods; the area covers the whole city) is approximately 523 sq km, making Colorado Springs 1,860% larger than Sydney.
Tip: This to-scale comparison of Sydney vs. Colorado Springs 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.