The flight distance from Hilo International Airport (ITO) in Hilo, United States to Sydney Kingsford Smith International Airport (SYD) in Sydney, Australia is 8,245 kilometers (5,123 miles / 4,452 nautical miles). The estimated flight time for this route is approximately 11h, flying southwest at a heading of 224°.

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

Time zone information: When it's 02:05 in Hilo, it's 23:05 in Sydney. With a 21-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 Sydney (SYD) to Hilo (ITO) follows a heading of 52° (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 Hilo International Airport (ITO) and Sydney Kingsford Smith International Airport (SYD) detail pages, or use our flight duration calculator to compare other routes.