The flight distance from Siena / Ampugnano Airport (SAY) in Siena, Italy to Salt Lake City International Airport (SLC) in Salt Lake City, United States is 9,077 kilometers (5,640 miles / 4,901 nautical miles). The estimated flight time for this route is approximately 12h, flying northwest at a heading of 320°.

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

Time zone information: When it's 05:47 in Siena, it's 21:47 in Salt Lake City. With a 8-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 3,597 feet between the two airports. Salt Lake City International Airport sits higher than Siena / Ampugnano Airport.

The return flight from Salt Lake City (SLC) to Siena (SAY) follows a heading of 38° (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 Siena / Ampugnano Airport (SAY) and Salt Lake City International Airport (SLC) detail pages, or use our flight duration calculator to compare other routes.