The flight distance from Sofia Airport (SOF) in Sofia, Bulgaria to Ukiah Municipal Airport (UKI) in Ukiah, United States is 10,314 kilometers (6,409 miles / 5,569 nautical miles). The estimated flight time for this route is approximately 13h, flying north northwest at a heading of 335°.

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 20:22 in Sofia, it's 10:22 in Ukiah. With a 10-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 1,125 feet between the two airports. Ukiah Municipal Airport sits lower than Sofia Airport.

The return flight from Ukiah (UKI) to Sofia (SOF) follows a heading of 24° (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 Sofia Airport (SOF) and Ukiah Municipal Airport (UKI) detail pages, or use our flight duration calculator to compare other routes.