The flight distance from Rajiv Gandhi International Airport Shamshabad (HYD) in Hyderabad, India to St Mary's Airport (KSM) in St Mary'S, United States is 9,691 kilometers (6,021 miles / 5,233 nautical miles). The estimated flight time for this route is approximately 12h, flying north northeast at a heading of 24°.

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

Time zone information: When it's 21:48 in Hyderabad, it's 07:18 in St Mary'S. With a 14.5-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 1,710 feet between the two airports. St Mary's Airport sits lower than Rajiv Gandhi International Airport Shamshabad.

The return flight from St Mary'S (KSM) to Hyderabad (HYD) follows a heading of 303° (west 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 Rajiv Gandhi International Airport Shamshabad (HYD) and St Mary's Airport (KSM) detail pages, or use our flight duration calculator to compare other routes.