The flight distance from Don Mueang International Airport (DMK) in Bangkok, Thailand to Sydney Kingsford Smith International Airport (SYD) in Sydney, Australia is 7,544 kilometers (4,687 miles / 4,073 nautical miles). The estimated flight time for this route is approximately 10h, flying southeast at a heading of 136°.

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 Thailand with Australia. It is an intercontinental flight between Asia and Oceania. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 01:35 in Bangkok, it's 05:35 in Sydney. The 4-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Sydney (SYD) to Bangkok (DMK) follows a heading of 306° (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 Don Mueang International Airport (DMK) and Sydney Kingsford Smith International Airport (SYD) detail pages, or use our flight duration calculator to compare other routes.