The flight distance from St Mary's Airport (KSM) in St Mary'S, United States to Carrasco International /General C L Berisso Airport (MVD) in Montevideo, Uruguay is 14,259 kilometers (8,860 miles / 7,699 nautical miles). The estimated flight time for this route is approximately 18h, flying east at a heading of 94°.

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 Uruguay. 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 08:20 in St Mary'S, it's 14:20 in Montevideo. 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 Montevideo (MVD) to St Mary'S (KSM) follows a heading of 325° (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 St Mary's Airport (KSM) and Carrasco International /General C L Berisso Airport (MVD) detail pages, or use our flight duration calculator to compare other routes.