City size comparison

compared to

Saint Petersburg is about 1.2 times bigger than Rio De Janeiro.

Rio De Janeiro is approximately 1,221 sq km, while Saint Petersburg is approximately 1,439 sq km, making Saint Petersburg 18% larger than Rio De Janeiro.
Tip: This to-scale comparison of Rio De Janeiro vs. Saint Petersburg uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Saint Petersburg vs. Rio De Janeiro

Flip Comparison · See true size
See Saint Petersburg on top of Rio De Janeiro
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Cost of Living Comparison · 7 categories - 2026 data
Rio De Janeiro is 7.0% more expensive than Saint Petersburg
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