The distance from David Stanley Memorial Airport () to Sydney Kingsford Smith International Airport (SYD) is 8942 miles or 14390 kilometers or 7765 nautical miles.
The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.
14390 kilometers is the direct flight distance between David Stanley Memorial Airport (United States) and Sydney Kingsford Smith International Airport (Australia).
How long does it take to travel from Gregory ( United States ) to Sydney ( Australia )?
A one-way nonstop (direct) flight between Gregory and Sydney takes around 20 hours 33 minutes.
Estimated
flight time from David Stanley Memorial Airport, Gregory, United States to Sydney Kingsford Smith International Airport, Sydney, Australia is
20 hours 33 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.
Travel Distance Between the Airports • - SYD
| Kilometers | | 14390 km |
| Statute Miles | | 8942 miles |
| Nautical Miles | | 7765 nm |
| Avg. Time of Flight | | 20 hours 33 minutes |
David Stanley Memorial Airport to Sydney Kingsford Smith International Airport Flight Route Map - to SYD Flight Path
Location of David Stanley Memorial Airport & Sydney Kingsford Smith International Airport is given below.
Click the map to view Gregory to Sydney nonstop flight path and travel direction.
Click to see flight route on Google Map between Gregory, United States and Sydney, Australia. .
Nonstop flight route between Gregory, United States and Sydney, Australia.
Time Difference Between the Airports • - SYD
Time difference between
Gregory (United States) and
Sydney (Australia) is 16 Hours.
Sydney time is 16 Hours ahead of Gregory.
| Location | Local Time |
| Gregory (United States) | 2026-03-19, 08:13:24 CDT |
| Sydney (Australia) | 2026-03-20, 00:13:24 AEDT |
Why should you arrive 3 hours before international flight?
Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.