Distance From Saint-Léonard Airport to Mehrabad International Airport, YSL - THR Distance

The distance from Saint-Léonard Airport (YSL) to Mehrabad International Airport (THR) is 5588 miles or 8992 kilometers or 4852 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 Saint-Léonard ( Canada ) to Tehran ( Iran )?

A one-way nonstop (direct) flight between Saint-Léonard and Tehran takes around 12 hours 50 minutes.

Estimated flight time from Saint-Léonard Airport, Saint-Léonard, Canada to Mehrabad International Airport, Tehran, Iran is 12 hours 50 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 • YSL - THR

Kilometers		8992 km
Statute Miles		5588 miles
Nautical Miles		4852 nm
Avg. Time of Flight		12 hours 50 minutes

Saint-Léonard Airport to Mehrabad International Airport Flight Route Map - YSL to THR Flight Path

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

Click to see flight route on Google Map between Saint-Léonard, Canada and Tehran, Iran. .

Nonstop flight route between Saint-Léonard, Canada and Tehran, Iran.

Time Difference Between the Airports • YSL - THR

Time difference between Saint-Léonard (Canada) and Tehran (Iran) is 6 Hours 30 Minutes.
Tehran time is 6 Hours 30 Minutes ahead of Saint-Léonard.

Location	Local Time
Saint-Léonard (Canada)	2026-05-01, 07:07:05 ADT
Tehran (Iran)	2026-05-01, 13:37:05 +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

Saint-Léonard Airport (YSL / CYSL) Saint-Léonard, Canada

Destination

Mehrabad International Airport (THR / OIII) Tehran, Iran