The flight distance from Dallas-Fort Worth International Airport (DFW) in Dallas-Fort Worth, United States to Na-San Airport (SQH) in Son-La, Vietnam is 13,595 kilometers (8,447 miles / 7,341 nautical miles). The estimated flight time for this route is approximately 17h, flying north northwest at a heading of 337°.

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 06:58 in Dallas-Fort Worth, it's 19:58 in Son-La. With a 13-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 1,527 feet between the two airports. Na-San Airport sits higher than Dallas-Fort Worth International Airport.

The return flight from Son-La (SQH) to Dallas-Fort Worth (DFW) follows a heading of 21° (north 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 Dallas-Fort Worth International Airport (DFW) and Na-San Airport (SQH) detail pages, or use our flight duration calculator to compare other routes.