Air Miles Calculator

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

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

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).

Flight duration

Estimated flight time from Dallas/Fort Worth International Airport (DFW) to Seattle–Tacoma International Airport (SEA) is 3 hours 38 minutes.

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
Seattle

Dallas, TX

 CST

Seattle, WA

 PST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 197 kg (435 pounds).

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

Map

Dallas to Seattle flight map.

Frequent Flyer Miles Calculator

Dallas (DFW) → Seattle (SEA).

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?