The flight distance from RAF Ascension Island (ASI) in Ascension Island, SH to Chek Lap Kok International Airport (HKG) in Hong Kong, Hong Kong is 14,273 kilometers (8,869 miles / 7,707 nautical miles). The estimated flight time for this route is approximately 18h, flying east northeast at a heading of 68°.

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 SH with Hong Kong. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 09:52 in Ascension Island, it's 17:52 in Hong Kong. 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.

The return flight from Hong Kong (HKG) to Ascension Island (ASI) follows a heading of 278° (west). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the RAF Ascension Island (ASI) and Chek Lap Kok International Airport (HKG) detail pages, or use our flight duration calculator to compare other routes.