City size comparison

compared to

Rio De Janeiro is about 2.8 times smaller than Hanoi.

Hanoi is approximately 3,360 sq km, while Rio De Janeiro is approximately 1,221 sq km, making Rio De Janeiro 36.34% the size of Hanoi.
Tip: This to-scale comparison of Hanoi 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. Hanoi

Flip Comparison · See true size
See Rio De Janeiro on top of Hanoi
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Cost of Living Comparison · 7 categories - 2026 data
Hanoi is 39.1% cheaper than Rio De Janeiro
→
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