Los Angeles is about 1.2 times smaller than Sao Paulo.

Sao Paulo is approximately 1,523 sq km, while Los Angeles (including the city proper only) is approximately 1,215 sq km, making Los Angeles 79.76% the size of Sao Paulo.
Tip: This to-scale comparison of Sao Paulo vs. Los Angeles uses the Mercator projection, which distorts the size of regions near the poles.
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