Distance From Calgary / Okotoks (Rowland Field) to Mehrabad International Airport

The distance from Calgary / Okotoks (Rowland Field) () to Mehrabad International Airport (THR) is 6397 miles or 10294 kilometers or 5555 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 Calgary ( Canada ) to Tehran ( Iran )?

A one-way nonstop (direct) flight between Calgary and Tehran takes around 14 hours 42 minutes.

Estimated flight time from Calgary / Okotoks (Rowland Field), Calgary, Canada to Mehrabad International Airport, Tehran, Iran is 14 hours 42 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		10294 km
Statute Miles		6397 miles
Nautical Miles		5555 nm
Avg. Time of Flight		14 hours 42 minutes

Calgary / Okotoks (Rowland Field) to Mehrabad International Airport Flight Route Map - to THR Flight Path

Location of Calgary / Okotoks (Rowland Field) & Mehrabad International Airport is given below.
Click the map to view Calgary to Tehran nonstop flight path and travel direction.

Click to see flight route on Google Map between Calgary, Canada and Tehran, Iran. .

Nonstop flight route between Calgary, Canada and Tehran, Iran.

Time Difference Between the Airports • - THR

Time difference between Calgary (Canada) and Tehran (Iran) is 10 Hours 30 Minutes.
Tehran time is 10 Hours 30 Minutes ahead of Calgary.

Location	Local Time
Calgary (Canada)	2026-03-18, 00:36:20 MST
Tehran (Iran)	2026-03-18, 11:06:20 +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

Calgary / Okotoks (Rowland Field) ( / CRF4) Calgary, Canada

Destination

Mehrabad International Airport (THR / OIII) Tehran, Iran