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 Washington to Seattle take?

Flight time depends on the exact route and aircraft, but at roughly 3,736 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: Washington to Seattle

3,736

Kilometres (km)

2,321

Miles (mi)

2,017

Nautical miles

About this flight distance

The great circle distance from Washington to Seattle is approximately 3,736 km. The typical flight time is 5h 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 Washington to Seattle →Flight duration Washington to Seattle →Cheapest day to fly Washington to Seattle →Flights Washington to Seattle

Nearby airports

Near Washington

Ronald Reagan Washington National Airport (DCA)38 km
Baltimore/Washington International Thurgood Marshal Airport (BWI)73 km
Hagerstown Regional Richard A Henson Field (HGR)88 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 Washington to Seattle is approximately 3,736 km (2,321 miles).