The flight distance from Henri Coanda International Airport (OTP) in Bucharest, Romania to Angkor International Airport (REP) in Siem Reap, Cambodia is 7,998 kilometers (4,970 miles / 4,318 nautical miles). The estimated flight time for this route is approximately 10h, flying east at a heading of 89°.

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 Cambodia. 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 23:20 in Bucharest, it's 03:20 in Siem Reap. The 4-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Siem Reap (REP) to Bucharest (OTP) follows a heading of 313° (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 Angkor International Airport (REP) detail pages, or use our flight duration calculator to compare other routes.