The flight distance from Sigiriya Airport (GIU) in Sigiriya, Sri Lanka to San Francisco International Airport (SFO) in San Francisco, United States is 14,407 kilometers (8,952 miles / 7,779 nautical miles). The estimated flight time for this route is approximately 18h, 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 Sri Lanka 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 01:38 in Sigiriya, it's 12:08 in San Francisco. With a 13.5-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

The return flight from San Francisco (SFO) to Sigiriya (GIU) follows a heading of 330° (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 Sigiriya Airport (GIU) and San Francisco International Airport (SFO) detail pages, or use our flight duration calculator to compare other routes.