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 Denver to Seattle take?

Flight time depends on the exact route and aircraft, but at roughly 1,641 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: Denver to Seattle

1,641

Kilometres (km)

1,020

Miles (mi)

886

Nautical miles

About this flight distance

The great circle distance from Denver to Seattle is approximately 1,641 km. The typical flight time is 2h 40m.

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

Nearby airports

Near Denver

Rocky Mountain Metropolitan Airport (BJC)38 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 Denver to Seattle is approximately 1,641 km (1,020 miles).