City size comparison

compared to

Hanoi is about 4.9 times bigger than Tehran.

Tehran is approximately 686 sq km, while Hanoi is approximately 3,360 sq km, making Hanoi 390% larger than Tehran.
Tip: This to-scale comparison of Tehran vs. Hanoi uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Hanoi vs. Tehran

Flip Comparison · See true size
See Hanoi on top of Tehran
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Cost of Living Comparison · 7 categories - 2026 data
Tehran is 34.4% cheaper than Hanoi
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