The flight distance from General Edward Lawrence Logan International Airport (BOS) in Boston, United States to Antoine De St Exupery Airport (OES) in San Antonio Oeste, Argentina is 9,261 kilometers (5,754 miles / 5,001 nautical miles). The estimated flight time for this route is approximately 12h, flying south at a heading of 175°.

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 Argentina. It is an intercontinental flight between North America and South America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 22:01 in Boston, it's 23:01 in San Antonio Oeste.

The return flight from San Antonio Oeste (OES) to Boston (BOS) follows a heading of 356° (north). 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 Antoine De St Exupery Airport (OES) detail pages, or use our flight duration calculator to compare other routes.