Costa Rica is about 1,914 times bigger than Sydney.

Sydney is approximately 27 sq km, while Costa Rica is approximately 51,100 sq km, making Costa Rica 191,286% larger than Sydney.
Tip: This to-scale comparison of Sydney vs. Costa Rica 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.