The flight distance from Gachsaran Airport (GCH) in Gachsaran Airport, Iran to Seattle-Tacoma International Airport (SEA) in Seattle, United States is 11,338 kilometers (7,045 miles / 6,122 nautical miles). The estimated flight time for this route is approximately 14h, flying north at a heading of 355°.

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 14:21 in Gachsaran Airport, it's 03:51 in Seattle. With a 10.5-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 1,982 feet between the two airports. Seattle-Tacoma International Airport sits lower than Gachsaran Airport.

The return flight from Seattle (SEA) to Gachsaran Airport (GCH) follows a heading of 6° (north). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Gachsaran Airport (GCH) and Seattle-Tacoma International Airport (SEA) detail pages, or use our flight duration calculator to compare other routes.