How far is Dallas from Seattle?
There are several ways to calculate distances between Seattle and Dallas. 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).
Estimated flight time from Seattle–Tacoma International Airport (SEA) to Dallas/Fort Worth International Airport (DFW) is 3 hours 38 minutes.
Time difference and current local times
The time difference between Seattle and Dallas is 2 hours. Dallas is 2 hours ahead of Seattle.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 182 kg (401 pounds).
Seattle to Dallas flight path
Shortest flight path between Seattle–Tacoma International Airport (SEA) and Dallas/Fort Worth International Airport (DFW).
Frequent Flyer Miles Calculator
Seattle (SEA) → Dallas (DFW).