The flight distance from Sofia Airport (SOF) in Sofia, Bulgaria to Thọ Xuân Airport (THD) in Thanh Hóa, Vietnam is 7,890 kilometers (4,903 miles / 4,260 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 21:13 in Sofia, it's 02:13 in Thanh Hóa. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 1,683 feet between the two airports. Thọ Xuân Airport sits lower than Sofia Airport.

The return flight from Thanh Hóa (THD) to Sofia (SOF) follows a heading of 310° (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 Thọ Xuân Airport (THD) detail pages, or use our flight duration calculator to compare other routes.