Distance From Mehrabad International Airport to Chiang Mai International Airport, THR - CNX Distance

The distance from Mehrabad International Airport (THR) to Chiang Mai International Airport (CNX) is 3117 miles or 5016 kilometers or 2707 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 Chiang Mai ( Thailand )?

A one-way nonstop (direct) flight between Tehran and Chiang Mai takes around 7 hours 9 minutes.

Estimated flight time from Mehrabad International Airport, Tehran, Iran to Chiang Mai International Airport, Chiang Mai, Thailand is 7 hours 9 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 - CNX

Kilometers		5016 km
Statute Miles		3117 miles
Nautical Miles		2707 nm
Avg. Time of Flight		7 hours 9 minutes

Mehrabad International Airport to Chiang Mai International Airport Flight Route Map - THR to CNX Flight Path

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

Click to see flight route on Google Map between Tehran, Iran and Chiang Mai, Thailand. .

Nonstop flight route between Tehran, Iran and Chiang Mai, Thailand.

Time Difference Between the Airports • THR - CNX

Time difference between Tehran (Iran) and Chiang Mai (Thailand) is 3 Hours 30 Minutes.
Chiang Mai time is 3 Hours 30 Minutes ahead of Tehran.

Location	Local Time
Tehran (Iran)	2025-12-13, 22:28:05 +0330
Chiang Mai (Thailand)	2025-12-14, 01:58:05 +07

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

Chiang Mai International Airport (CNX / VTCC) Chiang Mai, Thailand