Map of flight path and driving directions from Dallas to Washington D.C..
Shortest flight path between Dallas Love Field (DAL) 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)
- 1163.562 miles
- 1872.572 kilometers
- 1011.108 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
- 1161.596 miles
- 1869.407 kilometers
- 1009.399 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).
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 (352 pounds).
Frequent Flyer Miles Calculator
Dallas (DAL) → Washington D.C. (IAD).