The flight distance from St Gallen Altenrhein Airport (ACH) in Altenrhein, Switzerland to Daniel K Inouye International Airport (HNL) in Honolulu, United States is 12,263 kilometers (7,620 miles / 6,621 nautical miles). The estimated flight time for this route is approximately 15h, flying north northwest at a heading of 348°.

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 Switzerland with United States. It is an intercontinental flight between Europe and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 01:00 in Altenrhein, it's 13:00 in Honolulu. With a 12-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 1,293 feet between the two airports. Daniel K Inouye International Airport sits lower than St Gallen Altenrhein Airport.

The return flight from Honolulu (HNL) to Altenrhein (ACH) follows a heading of 9° (north). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the St Gallen Altenrhein Airport (ACH) and Daniel K Inouye International Airport (HNL) detail pages, or use our flight duration calculator to compare other routes.