The flight distance from Washington Dulles International Airport (IAD) in Washington, United States to Grenchen Airport (ZHI) in Grenchen Airport, Switzerland is 6,617 kilometers (4,111 miles / 3,573 nautical miles). The estimated flight time for this route is approximately 9h, flying northeast at a heading of 52°.

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 Switzerland. 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 17:12 in Washington, it's 23:12 in Grenchen Airport. With a 6-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 1,099 feet between the two airports. Grenchen Airport sits higher than Washington Dulles International Airport.

The return flight from Grenchen Airport (ZHI) to Washington (IAD) follows a heading of 296° (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 Washington Dulles International Airport (IAD) and Grenchen Airport (ZHI) detail pages, or use our flight duration calculator to compare other routes.