City size comparison

compared to

Rio De Janeiro is about 3.1 times smaller than Sydney.

Sydney (the 30 councils of metropolitan Sydney, without the Blue Mountains, Hawkesbury, Wollondilly and the Central Coast) is approximately 3,810 sq km, while Rio De Janeiro is approximately 1,221 sq km, making Rio De Janeiro 32.05% the size of Sydney.
Tip: This to-scale comparison of Sydney vs. Rio De Janeiro uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Rio De Janeiro vs. Sydney

Flip Comparison · See true size
See Rio De Janeiro on top of Sydney
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Cost of Living Comparison · 7 categories - 2026 data
Sydney is 2.1 times more expensive than Rio De Janeiro
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