Map of flight path and driving directions from Washington D.C. to Dallas.
Shortest flight path between Washington Dulles International Airport (IAD) and Dallas/Fort Worth International Airport (DFW).
How far is Dallas from Washington D.C.?
There are several ways to calculate distances between Washington D.C. and Dallas. Here are two common methods:Vincenty's formula (applied above)
- 1171.721 miles
- 1885.703 kilometers
- 1018.198 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
- 1169.719 miles
- 1882.481 kilometers
- 1016.458 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).
|A||Washington Dulles International Airport|
|B||Dallas/Fort Worth International Airport|
Time difference and current local times
The time difference between Washington D.C. and Dallas is 1 hour. Dallas is 1 hour behind Washington D.C..
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 160 kg (353 pounds).
Frequent Flyer Miles Calculator
Washington D.C. (IAD) → Dallas (DFW).