The flight distance from Daniel K Inouye International Airport (HNL) in Honolulu, United States to Grenchen Airport (ZHI) in Grenchen Airport, Switzerland is 12,258 kilometers (7,617 miles / 6,619 nautical miles). The estimated flight time for this route is approximately 15h, flying north at a heading of 11°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

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 01:25 in Honolulu, it's 12:25 in Grenchen Airport. With a 11-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 1,398 feet between the two airports. Grenchen Airport sits higher than Daniel K Inouye International Airport.

The return flight from Grenchen Airport (ZHI) to Honolulu (HNL) follows a heading of 345° (north 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 Daniel K Inouye International Airport (HNL) and Grenchen Airport (ZHI) detail pages, or use our flight duration calculator to compare other routes.