Distance From Mountain Lakes Field to Mehrabad International Airport

The distance from Mountain Lakes Field () to Mehrabad International Airport (THR) is 6653 miles or 10707 kilometers or 5778 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.

---

How long does it take to travel from Helena ( United States ) to Tehran ( Iran )?

A one-way nonstop (direct) flight between Helena and Tehran takes around 15 hours 17 minutes.

Estimated flight time from Mountain Lakes Field, Helena, United States to Mehrabad International Airport, Tehran, Iran is 15 hours 17 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		10707 km
Statute Miles		6653 miles
Nautical Miles		5778 nm
Avg. Time of Flight		15 hours 17 minutes

Mountain Lakes Field to Mehrabad International Airport Flight Route Map - to THR Flight Path

Location of Mountain Lakes Field & Mehrabad International Airport is given below.
Click the map to view Helena to Tehran nonstop flight path and travel direction.

Click to see flight route on Google Map between Helena, United States and Tehran, Iran. .

Nonstop flight route between Helena, United States and Tehran, Iran.

Time Difference Between the Airports • - THR

Time difference between Helena (United States) and Tehran (Iran) is 10 Hours 30 Minutes.
Tehran time is 10 Hours 30 Minutes ahead of Helena.

Location	Local Time
Helena (United States)	2025-01-08, 15:46:39 MST
Tehran (Iran)	2025-01-09, 02:16:39 +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

Mountain Lakes Field ( / 5M7) Helena, United States

Destination

Mehrabad International Airport (THR / OIII) Tehran, Iran