The flight distance from RAF Ascension Island (ASI) in Ascension Island, SH to Bandaranaike International Apt Colombo Airport (CMB) in Colombo, Sri Lanka is 10,585 kilometers (6,577 miles / 5,715 nautical miles). The estimated flight time for this route is approximately 13h, flying east at a heading of 83°.

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 Sri Lanka. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 21:50 in Ascension Island, it's 03:20 in Colombo. The 5.5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Colombo (CMB) to Ascension Island (ASI) follows a heading of 263° (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 Bandaranaike International Apt Colombo Airport (CMB) detail pages, or use our flight duration calculator to compare other routes.