Map of flight path and driving directions from Dallas to Seattle.
Shortest flight path between Dallas/Fort Worth International Airport (DFW) and Seattle–Tacoma International Airport (SEA).
How far is Seattle from Dallas?
There are several ways to calculate distances between Dallas and Seattle. Here are two common methods:Vincenty's formula (applied above)
- 1659.687 miles
- 2671.008 kilometers
- 1442.229 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 1657.916 miles
- 2668.157 kilometers
- 1440.689 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
Time difference and current local times
The time difference between Dallas and Seattle is 2 hours. Seattle is 2 hours behind Dallas.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 190 kg (419 pounds).
Frequent Flyer Miles Calculator
Dallas (DFW) → Seattle (SEA).