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 Singapore to Seattle take?

Flight time depends on the exact route and aircraft, but at roughly 12,978 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: Singapore to Seattle

12,978

Kilometres (km)

8,064

Miles (mi)

7,008

Nautical miles

About this flight distance

The great circle distance from Singapore to Seattle is approximately 12,978 km. The typical flight time is 15h 46m.

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 Singapore to Seattle →Flight duration Singapore to Seattle →Cheapest day to fly Singapore to Seattle →Flights Singapore to Seattle

Nearby airports

Near Singapore

Seletar Airport (XSP)16 km
Hang Nadim Airport (BTH)29 km
Senai International Airport (JHB)48 km

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 Singapore to Seattle is approximately 12,978 km (8,064 miles).