The flight distance from Sofia Airport (SOF) in Sofia, Bulgaria to Stillwater Regional Airport (SWO) in Stillwater, United States is 9,376 kilometers (5,826 miles / 5,063 nautical miles). The estimated flight time for this route is approximately 12h, flying northwest at a heading of 316°.

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 Bulgaria 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 18:30 in Sofia, it's 10:30 in Stillwater. 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.

The return flight from Stillwater (SWO) to Sofia (SOF) follows a heading of 40° (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 Sofia Airport (SOF) and Stillwater Regional Airport (SWO) detail pages, or use our flight duration calculator to compare other routes.