Distance From Mehrabad International Airport to Sydney Kingsford Smith International Airport, THR - SYD Distance

The distance from Mehrabad International Airport (THR) to Sydney Kingsford Smith International Airport (SYD) is 8027 miles or 12918 kilometers or 6971 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 Sydney ( Australia )?

A one-way nonstop (direct) flight between Tehran and Sydney takes around 18 hours 27 minutes.

Estimated flight time from Mehrabad International Airport, Tehran, Iran to Sydney Kingsford Smith International Airport, Sydney, Australia is 18 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 - SYD

Kilometers		12918 km
Statute Miles		8027 miles
Nautical Miles		6971 nm
Avg. Time of Flight		18 hours 27 minutes

Mehrabad International Airport to Sydney Kingsford Smith International Airport Flight Route Map - THR to SYD Flight Path

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

Click to see flight route on Google Map between Tehran, Iran and Sydney, Australia. .

Nonstop flight route between Tehran, Iran and Sydney, Australia.

Time Difference Between the Airports • THR - SYD

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

Location	Local Time
Tehran (Iran)	2025-12-15, 19:28:42 +0330
Sydney (Australia)	2025-12-16, 02:58:42 AEDT

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

Sydney Kingsford Smith International Airport (SYD / YSSY) Sydney, Australia