City size comparison

compared to

Hanoi is about 1.2 times bigger than Ottawa.

Ottawa is approximately 2,779 sq km, while Hanoi is approximately 3,360 sq km, making Hanoi 21% larger than Ottawa.
Tip: This to-scale comparison of Ottawa vs. Hanoi uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Hanoi vs. Ottawa

Flip Comparison · See true size
See Hanoi on top of Ottawa
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Cost of Living Comparison · 7 categories - 2026 data
Ottawa is 2.6 times more expensive than Hanoi
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