Distance From Parks Field to Mehrabad International Airport

The distance from Parks Field () to Mehrabad International Airport (THR) is 6812 miles or 10963 kilometers or 5916 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 Smithville ( United States ) to Tehran ( Iran )?

A one-way nonstop (direct) flight between Smithville and Tehran takes around 15 hours 39 minutes.

Estimated flight time from Parks Field, Smithville, United States to Mehrabad International Airport, Tehran, Iran is 15 hours 39 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		10963 km
Statute Miles		6812 miles
Nautical Miles		5916 nm
Avg. Time of Flight		15 hours 39 minutes

Parks Field to Mehrabad International Airport Flight Route Map - to THR Flight Path

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

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

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

Time Difference Between the Airports • - THR

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

Location	Local Time
Smithville (United States)	2026-05-03, 10:06:56 EDT
Tehran (Iran)	2026-05-03, 17:36:56 +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

Parks Field ( / 92MU) Smithville, United States

Destination

Mehrabad International Airport (THR / OIII) Tehran, Iran