Distance From Gia Lam Air Base to Mehrabad International Airport

The distance from Gia Lam Air Base () to Mehrabad International Airport (THR) is 3423 miles or 5509 kilometers or 2973 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Hanoi (Long Bien) ( Vietnam ) to Tehran ( Iran )?

A one-way nonstop (direct) flight between Hanoi (Long Bien) and Tehran takes around 7 hours 52 minutes.

Estimated flight time from Gia Lam Air Base, Hanoi (Long Bien), Vietnam to Mehrabad International Airport, Tehran, Iran is 7 hours 52 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • - THR

Kilometers		5509 km
Statute Miles		3423 miles
Nautical Miles		2973 nm
Avg. Time of Flight		7 hours 52 minutes

Gia Lam Air Base to Mehrabad International Airport Flight Route Map - to THR Flight Path

Location of Gia Lam Air Base & Mehrabad International Airport is given below.
Click the map to view Hanoi (Long Bien) to Tehran nonstop flight path and travel direction.

Click to see flight route on Google Map between Hanoi (Long Bien), Vietnam and Tehran, Iran. .

Nonstop flight route between Hanoi (Long Bien), Vietnam and Tehran, Iran.

Time Difference Between the Airports • - THR

Time difference between Hanoi (Long Bien) (Vietnam) and Tehran (Iran) is 3 Hours 30 Minutes.
Tehran time is 3 Hours 30 Minutes behind Hanoi (Long Bien).

Location	Local Time
Hanoi (Long Bien) (Vietnam)	2026-04-29, 22:28:09 +07
Tehran (Iran)	2026-04-29, 18:58:09 +0330

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Gia Lam Air Base ( / VVGL) Hanoi (Long Bien), Vietnam

Destination

Mehrabad International Airport (THR / OIII) Tehran, Iran