The flight distance from Austin-Bergstrom International Airport (AUS) in Austin, United States to Semnan Airport (SNX) in Semnan, Iran is 12,104 kilometers (7,521 miles / 6,536 nautical miles). The estimated flight time for this route is approximately 15h, flying north northeast at a heading of 24°.

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 United States with Iran. It is an intercontinental flight between North America and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 08:35 in Austin, it's 17:05 in Semnan. With a 8.5-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 3,124 feet between the two airports. Semnan Airport sits higher than Austin-Bergstrom International Airport.

The return flight from Semnan (SNX) to Austin (AUS) follows a heading of 334° (north northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Austin-Bergstrom International Airport (AUS) and Semnan Airport (SNX) detail pages, or use our flight duration calculator to compare other routes.