The flight distance from RAF Ascension Island (ASI) in Ascension Island, SH to Ottawa / Macdonald-Cartier International Airport (YOW) in Ottawa, Canada is 8,489 kilometers (5,275 miles / 4,584 nautical miles). The estimated flight time for this route is approximately 11h, flying northwest at a heading of 321°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting SH with Canada. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 21:47 in Ascension Island, it's 16:47 in Ottawa. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Ottawa (YOW) to Ascension Island (ASI) follows a heading of 117° (east southeast). 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 Ottawa / Macdonald-Cartier International Airport (YOW) detail pages, or use our flight duration calculator to compare other routes.