Distance From Syangboche Airport to Mehrabad International Airport, SYH - THR Distance

The distance from Syangboche Airport (SYH) to Mehrabad International Airport (THR) is 2138 miles or 3440 kilometers or 1856 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 Namche Bazaar ( Nepal ) to Tehran ( Iran )?

A one-way nonstop (direct) flight between Namche Bazaar and Tehran takes around 4 hours 54 minutes.

Estimated flight time from Syangboche Airport, Namche Bazaar, Nepal to Mehrabad International Airport, Tehran, Iran is 4 hours 54 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 • SYH - THR

Kilometers		3440 km
Statute Miles		2138 miles
Nautical Miles		1856 nm
Avg. Time of Flight		4 hours 54 minutes

Syangboche Airport to Mehrabad International Airport Flight Route Map - SYH to THR Flight Path

Location of Syangboche Airport & Mehrabad International Airport is given below.
Click the map to view Namche Bazaar to Tehran nonstop flight path and travel direction.

Click to see flight route on Google Map between Namche Bazaar, Nepal and Tehran, Iran. .

Nonstop flight route between Namche Bazaar, Nepal and Tehran, Iran.

Time Difference Between the Airports • SYH - THR

Time difference between Namche Bazaar (Nepal) and Tehran (Iran) is 2 Hours 15 Minutes.
Tehran time is 2 Hours 15 Minutes behind Namche Bazaar.

Location	Local Time
Namche Bazaar (Nepal)	2026-05-01, 15:53:42 +0545
Tehran (Iran)	2026-05-01, 13:38:42 +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

Syangboche Airport (SYH / VNSB) Namche Bazaar, Nepal

Destination

Mehrabad International Airport (THR / OIII) Tehran, Iran