The flight distance from Bengaluru International Airport (BLR) in Bangalore, India to St Mary's Airport (KSM) in St Mary'S, United States is 10,131 kilometers (6,295 miles / 5,470 nautical miles). The estimated flight time for this route is approximately 13h, 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 01:35 in Bangalore, it's 11:05 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 2,686 feet between the two airports. St Mary's Airport sits lower than Bengaluru International Airport.

The return flight from St Mary'S (KSM) to Bangalore (BLR) follows a heading of 302° (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 Bengaluru International Airport (BLR) and St Mary's Airport (KSM) detail pages, or use our flight duration calculator to compare other routes.