The flight distance from Groton-New London Airport (GON) in Groton (New London), United States to Helsinki Vantaa Airport (HEL) in Helsinki, Finland is 6,461 kilometers (4,015 miles / 3,489 nautical miles). The estimated flight time for this route is approximately 9h, flying northeast at a heading of 35°.

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 Finland. 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 11:59 in Groton (New London), it's 18:59 in Helsinki. 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 Helsinki (HEL) to Groton (New London) (GON) 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 Groton-New London Airport (GON) and Helsinki Vantaa Airport (HEL) detail pages, or use our flight duration calculator to compare other routes.