The flight distance from RAF Ascension Island (ASI) in Ascension Island, SH to General Edward Lawrence Logan International Airport (BOS) in Boston, United States is 8,005 kilometers (4,974 miles / 4,322 nautical miles). The estimated flight time for this route is approximately 10h, flying northwest at a heading of 320°.

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

Time zone information: When it's 23:28 in Ascension Island, it's 18:28 in Boston. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Boston (BOS) to Ascension Island (ASI) follows a heading of 120° (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 General Edward Lawrence Logan International Airport (BOS) detail pages, or use our flight duration calculator to compare other routes.