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 Philadelphia to Seattle take?

Flight time depends on the exact route and aircraft, but at roughly 3,817 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: Philadelphia to Seattle

3,817

Kilometres (km)

2,372

Miles (mi)

2,061

Nautical miles

About this flight distance

The great circle distance from Philadelphia to Seattle is approximately 3,817 km. The typical flight time is 4h 59m.

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

Nearby airports

Near Philadelphia

New Castle Airport (ILG)38 km
Trenton Mercer Airport (TTN)58 km
Atlantic City International Airport (ACY)73 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 Philadelphia to Seattle is approximately 3,817 km (2,372 miles).