The flight distance from Tan Son Nhat International Airport (SGN) in Ho Chi Minh City, Vietnam to Lemhi County Airport (SMN) in Salmon, United States is 12,586 kilometers (7,821 miles / 6,796 nautical miles). The estimated flight time for this route is approximately 16h, flying north northeast at a heading of 30°.

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 Vietnam 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 02:44 in Ho Chi Minh City, it's 12:44 in Salmon. With a 14-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 4,011 feet between the two airports. Lemhi County Airport sits higher than Tan Son Nhat International Airport.

The return flight from Salmon (SMN) to Ho Chi Minh City (SGN) follows a heading of 316° (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 Tan Son Nhat International Airport (SGN) and Lemhi County Airport (SMN) detail pages, or use our flight duration calculator to compare other routes.