The flight distance from Sofia Airport (SOF) in Sofia, Bulgaria to Na-San Airport (SQH) in Son-La, Vietnam is 7,681 kilometers (4,773 miles / 4,147 nautical miles). The estimated flight time for this route is approximately 10h, flying east at a heading of 80°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting Bulgaria with Vietnam. It is an intercontinental flight between Europe and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 16:15 in Sofia, it's 21:15 in Son-La. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Son-La (SQH) to Sofia (SOF) follows a heading of 309° (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 Sofia Airport (SOF) and Na-San Airport (SQH) detail pages, or use our flight duration calculator to compare other routes.