The flight distance from Watertown Regional Airport (ATY) in Watertown, United States to Henri Coanda International Airport (OTP) in Bucharest, Romania is 8,602 kilometers (5,345 miles / 4,645 nautical miles). The estimated flight time for this route is approximately 11h, flying northeast at a heading of 38°.

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

Time zone information: When it's 04:31 in Watertown, it's 12:31 in Bucharest. With a 8-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 1,435 feet between the two airports. Henri Coanda International Airport sits lower than Watertown Regional Airport.

The return flight from Bucharest (OTP) to Watertown (ATY) follows a heading of 323° (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 Watertown Regional Airport (ATY) and Henri Coanda International Airport (OTP) detail pages, or use our flight duration calculator to compare other routes.