City size comparison

compared to

Rio De Janeiro is about 2.3 times smaller than Ottawa.

Ottawa is approximately 2,779 sq km, while Rio De Janeiro is approximately 1,221 sq km, making Rio De Janeiro 43.94% the size of Ottawa.
Tip: This to-scale comparison of Ottawa 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. Ottawa

Flip Comparison · See true size
See Rio De Janeiro on top of Ottawa
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Cost of Living Comparison · 7 categories - 2026 data
Ottawa is 57.9% more expensive than Rio De Janeiro
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