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 Seattle to Denver take?

Flight time depends on the exact route and aircraft, but at roughly 1,645 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: Seattle to Denver

1,645

Kilometres (km)

1,022

Miles (mi)

888

Nautical miles

About this flight distance

The great circle distance from Seattle to Denver is approximately 1,645 km. The typical flight time is 2h 26m.

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

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

Near Denver

Rocky Mountain Metropolitan Airport (BJC)38 km

Frequently Asked Questions

The great-circle distance from Seattle to Denver is approximately 1,645 km (1,022 miles).