Air Miles Calculator

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

Flight distance from Dallas to Seattle (Dallas Love Field – Seattle–Tacoma International Airport) is 1670 miles / 2687 kilometers / 1451 nautical miles. Estimated flight time is 3 hours 39 minutes.

Driving distance from Dallas (DAL) to Seattle (SEA) is 2115 miles / 3403 kilometers and travel time by car is about 35 hours 20 minutes.

Map of flight path and driving directions from Dallas to Seattle.

Shortest flight path between Dallas Love Field (DAL) 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)
  • 1669.799 miles
  • 2687.281 kilometers
  • 1451.016 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
  • 1668.008 miles
  • 2684.399 kilometers
  • 1449.459 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 Love Field
City: Dallas, TX
Country: United States Flag of United States
IATA Code: DAL
ICAO Code: KDAL
Coordinates: 32°50′49″N, 96°51′6″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

 CST

Seattle, WA

 PST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 191 kg (420 pounds).

Frequent Flyer Miles Calculator

Dallas (DAL) → Seattle (SEA).

Distance:
1670
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1670

Round trip?