Distance From Mount Washington Regional Airport to Mehrabad International Airport, HIE - THR Distance

The distance from Mount Washington Regional Airport (HIE) to Mehrabad International Airport (THR) is 5850 miles or 9415 kilometers or 5080 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 Whitefield ( United States ) to Tehran ( Iran )?

A one-way nonstop (direct) flight between Whitefield and Tehran takes around 13 hours 27 minutes.

Estimated flight time from Mount Washington Regional Airport, Whitefield, United States to Mehrabad International Airport, Tehran, Iran is 13 hours 27 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 • HIE - THR

Kilometers		9415 km
Statute Miles		5850 miles
Nautical Miles		5080 nm
Avg. Time of Flight		13 hours 27 minutes

Mount Washington Regional Airport to Mehrabad International Airport Flight Route Map - HIE to THR Flight Path

Location of Mount Washington Regional Airport & Mehrabad International Airport is given below.
Click the map to view Whitefield to Tehran nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • HIE - THR

Time difference between Whitefield (United States) and Tehran (Iran) is 7 Hours 30 Minutes.
Tehran time is 7 Hours 30 Minutes ahead of Whitefield.

Location	Local Time
Whitefield (United States)	2026-08-03, 06:12:06 EDT
Tehran (Iran)	2026-08-03, 13:42:06 +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

Mount Washington Regional Airport (HIE / KHIE) Whitefield, United States

Destination

Mehrabad International Airport (THR / OIII) Tehran, Iran