The flight distance from Sydney Kingsford Smith International Airport (SYD) in Sydney, Australia to Mehrabad International Airport (THR) in Tehran, Iran is 12,919 kilometers (8,028 miles / 6,976 nautical miles). The estimated flight time for this route is approximately 16h, flying west northwest at a heading of 297°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

This is an international route connecting Australia with Iran. It is an intercontinental flight between Oceania and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 22:15 in Sydney, it's 14:45 in Tehran. With a 7.5-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 3,941 feet between the two airports. Mehrabad International Airport sits higher than Sydney Kingsford Smith International Airport.

The return flight from Tehran (THR) to Sydney (SYD) follows a heading of 114° (east southeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Sydney Kingsford Smith International Airport (SYD) and Mehrabad International Airport (THR) detail pages, or use our flight duration calculator to compare other routes.