The flight distance from RAF Ascension Island (ASI) in Ascension Island, SH to Singapore Changi International Airport (SIN) in Singapore, Singapore is 13,153 kilometers (8,173 miles / 7,102 nautical miles). The estimated flight time for this route is approximately 16h, flying east at a heading of 93°.

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

Time zone information: When it's 20:17 in Ascension Island, it's 04:17 in Singapore. 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 Singapore (SIN) to Ascension Island (ASI) follows a heading of 262° (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 Singapore Changi International Airport (SIN) detail pages, or use our flight duration calculator to compare other routes.