City size comparison

compared to

Hanoi is about 17 times bigger than Buenos Aires.

Buenos Aires is approximately 203 sq km, while Hanoi is approximately 3,360 sq km, making Hanoi 1,553% larger than Buenos Aires.
Tip: This to-scale comparison of Buenos Aires vs. Hanoi uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Hanoi vs. Buenos Aires

Flip Comparison · See true size
See Hanoi on top of Buenos Aires
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Cost of Living Comparison · 7 categories - 2026 data
Buenos Aires is 89.2% more expensive than Hanoi
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