The flight distance from El Tari Airport (KOE) in Kupang-Timor Island, Indonesia to Sofia Airport (SOF) in Sofia, Bulgaria is 11,608 kilometers (7,213 miles / 6,268 nautical miles). The estimated flight time for this route is approximately 15h, flying northwest at a heading of 312°.

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 Indonesia 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 15:43 in Kupang-Timor Island, it's 09:43 in Sofia. With a 6-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 1,407 feet between the two airports. Sofia Airport sits higher than El Tari Airport.

The return flight from Sofia (SOF) to Kupang-Timor Island (KOE) follows a heading of 91° (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 El Tari Airport (KOE) and Sofia Airport (SOF) detail pages, or use our flight duration calculator to compare other routes.