Distance From Richelieu/Messier Airport to Mehrabad International Airport

The distance from Richelieu/Messier Airport () to Mehrabad International Airport (THR) is 5855 miles or 9422 kilometers or 5084 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 Richelieu ( Canada ) to Tehran ( Iran )?

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

Estimated flight time from Richelieu/Messier Airport, Richelieu, Canada 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 • - THR

Kilometers		9422 km
Statute Miles		5855 miles
Nautical Miles		5084 nm
Avg. Time of Flight		13 hours 27 minutes

Richelieu/Messier Airport to Mehrabad International Airport Flight Route Map - to THR Flight Path

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

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

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

Time Difference Between the Airports • - THR

Time difference between Richelieu (Canada) and Tehran (Iran) is 7 Hours 30 Minutes.
Tehran time is 7 Hours 30 Minutes ahead of Richelieu.

Location	Local Time
Richelieu (Canada)	2026-03-20, 00:34:10 EDT
Tehran (Iran)	2026-03-20, 08:04:10 +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

Richelieu/Messier Airport ( / CRM3) Richelieu, Canada

Destination

Mehrabad International Airport (THR / OIII) Tehran, Iran