The flight distance from General Edward Lawrence Logan International Airport (BOS) in Boston, United States to Yaounde Nsimalen International Airport (NSI) in Yaounde, Cameroon is 9,118 kilometers (5,666 miles / 4,923 nautical miles). The estimated flight time for this route is approximately 12h, flying east at a heading of 92°.

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 United States with Cameroon. It is an intercontinental flight between North America and Africa. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 15:26 in Boston, it's 20:26 in Yaounde. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 2,259 feet between the two airports. Yaounde Nsimalen International Airport sits higher than General Edward Lawrence Logan International Airport.

The return flight from Yaounde (NSI) to Boston (BOS) follows a heading of 312° (northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the General Edward Lawrence Logan International Airport (BOS) and Yaounde Nsimalen International Airport (NSI) detail pages, or use our flight duration calculator to compare other routes.