The flight distance from Juan Santamaria International Airport (SJO) in San Jose, Costa Rica to Na-San Airport (SQH) in Son-La, Vietnam is 16,430 kilometers (10,209 miles / 8,871 nautical miles). The estimated flight time for this route is approximately 20h, flying north northwest at a heading of 345°.

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 Costa Rica 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 21:36 in San Jose, it's 10:36 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.

The return flight from Son-La (SQH) to San Jose (SJO) follows a heading of 15° (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 Juan Santamaria International Airport (SJO) and Na-San Airport (SQH) detail pages, or use our flight duration calculator to compare other routes.