Calculations with different methods
- 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).
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 197 kg (435 pounds).
Seattle to Dallas flight map.
Frequent Flyer Miles Calculator
Seattle (SEA) → Dallas (DFW).