How is the flight distance measured?

Flight distances are measured as the great-circle (straight-line) distance between airports. Actual flight paths may be slightly longer due to air traffic routing and weather avoidance.

How long does the flight from Sydney to Seattle take?

Flight time depends on the exact route and aircraft, but at roughly 12,472 km the typical non-stop flight takes 1–10 hours. Check the flight duration page for the exact average.

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Flight Distance: Sydney to Seattle

12,472

Kilometres (km)

7,750

Miles (mi)

6,734

Nautical miles

About this flight distance

The great circle distance from Sydney to Seattle is approximately 12,472 km. The typical flight time is 15h 10m.

This is the shortest possible distance between the two cities as the crow flies. Real flight paths are often slightly longer due to air traffic control routing, weather, and airspace restrictions.

Related route pages

→Direct flights Sydney to Seattle →Flight duration Sydney to Seattle →Cheapest day to fly Sydney to Seattle →Flights Sydney to Seattle

Nearby airports

Near Seattle

Boeing Field King County International Airport (BFI)9 km
Tacoma Narrows Airport (TIW)29 km
Snohomish County (Paine Field) Airport (PAE)51 km

Frequently Asked Questions

The great-circle distance from Sydney to Seattle is approximately 12,472 km (7,750 miles).