Distance From JGSDF Camp Otsu Heliport to Mehrabad International Airport

The distance from JGSDF Camp Otsu Heliport () to Mehrabad International Airport (THR) is 4598 miles or 7400 kilometers or 3993 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 Otsu ( Japan ) to Tehran ( Iran )?

A one-way nonstop (direct) flight between Otsu and Tehran takes around 10 hours 34 minutes.

Estimated flight time from JGSDF Camp Otsu Heliport, Otsu, Japan to Mehrabad International Airport, Tehran, Iran is 10 hours 34 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		7400 km
Statute Miles		4598 miles
Nautical Miles		3993 nm
Avg. Time of Flight		10 hours 34 minutes

JGSDF Camp Otsu Heliport to Mehrabad International Airport Flight Route Map - to THR Flight Path

Location of JGSDF Camp Otsu Heliport & Mehrabad International Airport is given below.
Click the map to view Otsu to Tehran nonstop flight path and travel direction.

Click to see flight route on Google Map between Otsu, Japan and Tehran, Iran. .

Nonstop flight route between Otsu, Japan and Tehran, Iran.

Time Difference Between the Airports • - THR

Time difference between Otsu (Japan) and Tehran (Iran) is 5 Hours 30 Minutes.
Tehran time is 5 Hours 30 Minutes behind Otsu.

Location	Local Time
Otsu (Japan)	2026-06-22, 20:24:12 JST
Tehran (Iran)	2026-06-22, 14:54:12 +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

JGSDF Camp Otsu Heliport ( / ) Otsu, Japan

Destination

Mehrabad International Airport (THR / OIII) Tehran, Iran