Kuala Lumpur is about 6 times smaller than Sao Paulo.

Sao Paulo is approximately 1,523 sq km, while Kuala Lumpur is approximately 244 sq km, making Kuala Lumpur 16.0% the size of Sao Paulo.
Tip: This to-scale comparison of Sao Paulo vs. Kuala Lumpur 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.