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Distance and flight time
TehranHanoi
Capital to capital: Iran → Vietnam.
As the crow flies
5,500 km
Estimated direct flight
7 h 22
CO₂ per passenger
878 kg
Time difference
+3.5h
Great-circle route (the shortest path on the globe). Duration estimated for a direct flight; CO₂ based on ADEME average emission factors.
Time in Tehran
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Time in Hanoi
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