Air Miles Calculator

Distance between Seattle, WA (SEA) and Dallas, TX (DFW)

Distance from Seattle–Tacoma International Airport to Dallas/Fort Worth International Airport is 1660 miles / 2671 kilometers / 1442 nautical miles.

Calculations with different 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).

Flight duration

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.

Time Difference

Seattle
Dallas

Seattle, WA

 PST

Dallas, TX

 CST

Airport information


A Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W

B Dallas/Fort Worth International Airport
City: Dallas, TX
Country: United States Flag of United States
IATA Code: DFW
ICAO Code: KDFW
Coordinates: 32°53′48″N, 97°2′16″W

Map

Flight map from Seattle to Dallas.

Frequent Flyer Miles Calculator

Seattle (SEA) → Dallas (DFW).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1660
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1660

Round trip?