Air Miles Calculator

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

Flight distance from Dallas to Seattle (Dallas/Fort Worth International Airport – Seattle–Tacoma International Airport) is 1660 miles / 2671 kilometers / 1442 nautical miles. Estimated flight time is 3 hours 38 minutes.

Driving distance from Dallas (DFW) to Seattle (SEA) is 2101 miles / 3382 kilometers and travel time by car is about 35 hours 1 minutes.

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).

Airport information


A 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

B 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

Time difference and current local times

The time difference between Dallas and Seattle is 2 hours. Seattle is 2 hours behind Dallas.

Time Difference

Dallas, TX

 CDT

Seattle, WA

 PDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 190 kg (419 pounds).

Frequent Flyer Miles Calculator

Dallas (DFW) → Seattle (SEA).

Distance:
1660
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1660

Round trip?