Distance From St Clair County International Airport to Imam Khomeini International Airport, PHN - IKA Distance

The distance from St Clair County International Airport (PHN) to Imam Khomeini International Airport (IKA) is 6289 miles or 10120 kilometers or 5461 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 Port Huron ( United States ) to Tehran ( Iran )?

A one-way nonstop (direct) flight between Port Huron and Tehran takes around 14 hours 27 minutes.

Estimated flight time from St Clair County International Airport, Port Huron, United States to Imam Khomeini International Airport, Tehran, Iran is 14 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 • PHN - IKA

Kilometers		10120 km
Statute Miles		6289 miles
Nautical Miles		5461 nm
Avg. Time of Flight		14 hours 27 minutes

St Clair County International Airport to Imam Khomeini International Airport Flight Route Map - PHN to IKA Flight Path

Location of St Clair County International Airport & Imam Khomeini International Airport is given below.
Click the map to view Port Huron to Tehran nonstop flight path and travel direction.

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

Nonstop flight route between Port Huron, United States and Tehran, Iran.

Time Difference Between the Airports • PHN - IKA

Time difference between Port Huron (United States) and Tehran (Iran) is 8 Hours 30 Minutes.
Tehran time is 8 Hours 30 Minutes ahead of Port Huron.

Location	Local Time
Port Huron (United States)	2025-12-16, 18:31:52 EST
Tehran (Iran)	2025-12-17, 03:01:52 +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

St Clair County International Airport (PHN / KPHN) Port Huron, United States

Destination

Imam Khomeini International Airport (IKA / OIIE) Tehran, Iran