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.
Calculate Distance
Search by airport name, city or IATA airport code.
Multiple airports
Dallas - Seattle
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, TX
Seattle, WA
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  |
| 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 |
| 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).
In total
Round trip?