The flight distance from Sofia Airport (SOF) in Sofia, Bulgaria to Tonopah Test Range (XSD) in Tonopah, United States is 10,202 kilometers (6,339 miles / 5,509 nautical miles). The estimated flight time for this route is approximately 13h, flying north northwest at a heading of 330°.

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 18:53 in Sofia, it's 08:53 in Tonopah. 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 3,808 feet between the two airports. Tonopah Test Range sits higher than Sofia Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Tonopah (XSD) to Sofia (SOF) follows a heading of 28° (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 Tonopah Test Range (XSD) detail pages, or use our flight duration calculator to compare other routes.