City size comparison

compared to

Hanoi is about 27 times bigger than Boston.

Boston is approximately 124 sq km, while Hanoi is approximately 3,360 sq km, making Hanoi 2,610% larger than Boston.
Tip: This to-scale comparison of Boston vs. Hanoi uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Hanoi vs. Boston

Flip Comparison · See true size
See Hanoi on top of Boston
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Cost of Living Comparison · 7 categories - 2026 data
Boston is 4.2 times more expensive than Hanoi
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