City size comparison

compared to

Oakland is about 6 times smaller than Rio De Janeiro.

Rio De Janeiro is approximately 1,221 sq km, while Oakland is approximately 202 sq km, making Oakland 16.54% the size of Rio De Janeiro.
Tip: This to-scale comparison of Rio De Janeiro vs. Oakland uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Oakland vs. Rio De Janeiro

Flip Comparison · See true size
See Oakland on top of Rio De Janeiro
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Cost of Living Comparison · 7 categories - 2026 data
Rio De Janeiro is 57.1% cheaper than Oakland
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