The flight distance from Groton-New London Airport (GON) in Groton (New London), United States to Henri Coanda International Airport (OTP) in Bucharest, Romania is 7,472 kilometers (4,643 miles / 4,034 nautical miles). The estimated flight time for this route is approximately 10h, flying northeast at a heading of 50°.

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 09:23 in Groton (New London), it's 16:23 in Bucharest. With a 7-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

The return flight from Bucharest (OTP) to Groton (New London) (GON) follows a heading of 306° (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 Groton-New London Airport (GON) and Henri Coanda International Airport (OTP) detail pages, or use our flight duration calculator to compare other routes.