Distance From Mehrabad International Airport to Keflavik International Airport, THR - KEF Distance

The distance from Mehrabad International Airport (THR) to Keflavik International Airport (KEF) is 3556 miles or 5723 kilometers or 3088 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 Tehran ( Iran ) to Reykjavík ( Iceland )?

A one-way nonstop (direct) flight between Tehran and Reykjavík takes around 8 hours 10 minutes.

Estimated flight time from Mehrabad International Airport, Tehran, Iran to Keflavik International Airport, Reykjavík, Iceland is 8 hours 10 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 - KEF

Kilometers		5723 km
Statute Miles		3556 miles
Nautical Miles		3088 nm
Avg. Time of Flight		8 hours 10 minutes

Mehrabad International Airport to Keflavik International Airport Flight Route Map - THR to KEF Flight Path

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

Click to see flight route on Google Map between Tehran, Iran and Reykjavík, Iceland. .

Nonstop flight route between Tehran, Iran and Reykjavík, Iceland.

Time Difference Between the Airports • THR - KEF

Time difference between Tehran (Iran) and Reykjavík (Iceland) is 3 Hours 30 Minutes.
Reykjavík time is 3 Hours 30 Minutes behind Tehran.

Location	Local Time
Tehran (Iran)	2026-08-06, 00:21:34 +0330
Reykjavík (Iceland)	2026-08-05, 20:51:34 GMT

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

Mehrabad International Airport (THR / OIII) Tehran, Iran

Destination

Keflavik International Airport (KEF / BIKF) Reykjavík, Iceland