The flight distance from Tyopliy Klyuch Airport (KDY) in Tyopliy Klyuch, Russia to Sofia Airport (SOF) in Sofia, Bulgaria is 6,894 kilometers (4,284 miles / 3,723 nautical miles). The estimated flight time for this route is approximately 9h, flying northwest at a heading of 310°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting Russia with Bulgaria. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 04:03 in Tyopliy Klyuch, it's 20:03 in Sofia. 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 1,742 feet between the two airports. Sofia Airport sits higher than Tyopliy Klyuch Airport.

The return flight from Sofia (SOF) to Tyopliy Klyuch (KDY) 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 Tyopliy Klyuch Airport (KDY) and Sofia Airport (SOF) detail pages, or use our flight duration calculator to compare other routes.