The flight distance from Khon Kaen Airport (KKC) in Khon Kaen, Thailand to Sofia Airport (SOF) in Sofia, Bulgaria is 7,917 kilometers (4,919 miles / 4,275 nautical miles). The estimated flight time for this route is approximately 10h, 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 Thailand with Bulgaria. It is an intercontinental flight between Asia and Europe. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 00:58 in Khon Kaen, it's 19:58 in Sofia. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 1,072 feet between the two airports. Sofia Airport sits higher than Khon Kaen Airport.

The return flight from Sofia (SOF) to Khon Kaen (KKC) follows a heading of 85° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Khon Kaen Airport (KKC) and Sofia Airport (SOF) detail pages, or use our flight duration calculator to compare other routes.