The flight distance from San Francisco International Airport (SFO) in San Francisco, United States to Tan Son Nhat International Airport (SGN) in Ho Chi Minh City, Vietnam is 12,598 kilometers (7,828 miles / 6,802 nautical miles). The estimated flight time for this route is approximately 16h, flying northwest at a heading of 306°.

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

Time zone information: When it's 14:56 in San Francisco, it's 05:56 in Ho Chi Minh City. With a 15-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 Ho Chi Minh City (SGN) to San Francisco (SFO) follows a heading of 41° (northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the San Francisco International Airport (SFO) and Tan Son Nhat International Airport (SGN) detail pages, or use our flight duration calculator to compare other routes.