Map of flight path and driving directions from Dallas to Seattle.
Shortest flight path between Dallas Love Field (DAL) 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)
- 1669.799 miles
- 2687.281 kilometers
- 1451.016 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
- 1668.008 miles
- 2684.399 kilometers
- 1449.459 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 191 kg (420 pounds).
Frequent Flyer Miles Calculator
Dallas (DAL) → Seattle (SEA).