The flight distance from Jorge Newbery Airpark (AEP) in Buenos Aires, Argentina to St Mary's Airport (KSM) in St Mary'S, United States is 14,109 kilometers (8,767 miles / 7,618 nautical miles). The estimated flight time for this route is approximately 18h, flying northwest at a heading of 326°.

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

Time zone information: When it's 12:19 in Buenos Aires, it's 06:19 in St Mary'S. With a 6-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 St Mary'S (KSM) to Buenos Aires (AEP) follows a heading of 96° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Jorge Newbery Airpark (AEP) and St Mary's Airport (KSM) detail pages, or use our flight duration calculator to compare other routes.