The flight distance from Henri Coanda International Airport (OTP) in Bucharest, Romania to Chinggis Khaan International Airport (UBN) in Ulaanbaatar, Mongolia is 5,939 kilometers (3,691 miles / 3,207 nautical miles). The estimated flight time for this route is approximately 8h, flying northeast at a heading of 56°.

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 Romania with Mongolia. It is an intercontinental flight between Europe and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 14:11 in Bucharest, it's 20:11 in Ulaanbaatar. 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 4,171 feet between the two airports. Chinggis Khaan International Airport sits higher than Henri Coanda International Airport.

The return flight from Ulaanbaatar (UBN) to Bucharest (OTP) follows a heading of 299° (west northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Henri Coanda International Airport (OTP) and Chinggis Khaan International Airport (UBN) detail pages, or use our flight duration calculator to compare other routes.