Map of flight path and driving directions from Dallas to Washington D.C..
Shortest flight path between Dallas/Fort Worth International Airport (DFW) and Washington Dulles International Airport (IAD).
How far is Washington D.C. from Dallas?
There are several ways to calculate distances between Dallas and Washington D.C.. 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||Dallas/Fort Worth International Airport|
|B||Washington Dulles International Airport|
Time difference and current local times
The time difference between Dallas and Washington D.C. is 1 hour. Washington D.C. is 1 hour ahead of Dallas.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 160 kg (353 pounds).
Frequent Flyer Miles Calculator
Dallas (DFW) → Washington D.C. (IAD).