The flight distance from Chiang Mai International Airport (CNX) in Chiang Mai, Thailand to Henri Coanda International Airport (OTP) in Bucharest, Romania is 7,214 kilometers (4,482 miles / 3,895 nautical miles). The estimated flight time for this route is approximately 9h, flying northwest at a heading of 311°.

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 Romania. 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 23:02 in Chiang Mai, it's 19:02 in Bucharest. The 4-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Bucharest (OTP) to Chiang Mai (CNX) follows a heading of 88° (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 Chiang Mai International Airport (CNX) and Henri Coanda International Airport (OTP) detail pages, or use our flight duration calculator to compare other routes.