The flight distance from Iran Shahr Airport (IHR) in Iran Shahr Airport, Iran to St Louis Lambert International Airport (STL) in St Louis, United States is 12,086 kilometers (7,510 miles / 6,526 nautical miles). The estimated flight time for this route is approximately 15h, flying north northwest at a heading of 337°.

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

Time zone information: When it's 17:37 in Iran Shahr Airport, it's 08:07 in St Louis. With a 9.5-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 1,423 feet between the two airports. St Louis Lambert International Airport sits lower than Iran Shahr Airport.

The return flight from St Louis (STL) to Iran Shahr Airport (IHR) follows a heading of 27° (north northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Iran Shahr Airport (IHR) and St Louis Lambert International Airport (STL) detail pages, or use our flight duration calculator to compare other routes.