The flight distance from Helena Regional Airport (HLN) in Helena, United States to Oslo Gardermoen Airport (OSL) in Oslo, Norway is 7,076 kilometers (4,397 miles / 3,820 nautical miles). The estimated flight time for this route is approximately 9h, flying north northeast at a heading of 28°.

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 Norway. 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 21:22 in Helena, it's 05:22 in Oslo. 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 3,196 feet between the two airports. Oslo Gardermoen Airport sits lower than Helena Regional Airport.

The return flight from Oslo (OSL) to Helena (HLN) follows a heading of 320° (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 Helena Regional Airport (HLN) and Oslo Gardermoen Airport (OSL) detail pages, or use our flight duration calculator to compare other routes.