Distance From Lemhi County Airport to Sydney Kingsford Smith International Airport, SMN - SYD Distance

The distance from Lemhi County Airport (SMN) to Sydney Kingsford Smith International Airport (SYD) is 8049 miles or 12954 kilometers or 6990 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.

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How long does it take to travel from Salmon ( United States ) to Sydney ( Australia )?

A one-way nonstop (direct) flight between Salmon and Sydney takes around 18 hours 30 minutes.

Estimated flight time from Lemhi County Airport, Salmon, United States to Sydney Kingsford Smith International Airport, Sydney, Australia is 18 hours 30 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 • SMN - SYD

Kilometers		12954 km
Statute Miles		8049 miles
Nautical Miles		6990 nm
Avg. Time of Flight		18 hours 30 minutes

Lemhi County Airport to Sydney Kingsford Smith International Airport Flight Route Map - SMN to SYD Flight Path

Location of Lemhi County Airport & Sydney Kingsford Smith International Airport is given below.
Click the map to view Salmon to Sydney nonstop flight path and travel direction.

Click to see flight route on Google Map between Salmon, United States and Sydney, Australia. .

Nonstop flight route between Salmon, United States and Sydney, Australia.

Time Difference Between the Airports • SMN - SYD

Time difference between Salmon (United States) and Sydney (Australia) is 18 Hours.
Sydney time is 18 Hours ahead of Salmon.

Location	Local Time
Salmon (United States)	2026-02-01, 23:18:19 MST
Sydney (Australia)	2026-02-02, 17:18:19 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.

Origin

Lemhi County Airport (SMN / KSMN) Salmon, United States

Destination

Sydney Kingsford Smith International Airport (SYD / YSSY) Sydney, Australia