Air Miles Calculator

Distance between Dallas, TX (DFW) and Washington D.C. (IAD)

Flight distance from Dallas to Washington D.C. (Dallas/Fort Worth International Airport – Washington Dulles International Airport) is 1172 miles / 1886 kilometers / 1018 nautical miles. Estimated flight time is 2 hours 43 minutes.

Driving distance from Dallas (DFW) to Washington D.C. (IAD) is 1332 miles / 2144 kilometers and travel time by car is about 22 hours 54 minutes.

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).

Airport information


A Dallas/Fort Worth International Airport
City: Dallas, TX
Country: United States Flag of United States
IATA Code: DFW
ICAO Code: KDFW
Coordinates: 32°53′48″N, 97°2′16″W

B Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W

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.

Time Difference

Dallas, TX

 CDT

Washington D.C.

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 160 kg (353 pounds).

Frequent Flyer Miles Calculator

Dallas (DFW) → Washington D.C. (IAD).

Distance:
1172
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1172

Round trip?