Air Miles Calculator

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

Distance from Washington Dulles International Airport to Dallas/Fort Worth International Airport is 1172 miles / 1886 kilometers / 1018 nautical miles.

Calculations with different 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).

Flight duration

Estimated flight time from Washington Dulles International Airport (IAD) to Dallas/Fort Worth International Airport (DFW) is 2 hours 43 minutes.

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..

Time Difference

Washington D.C.
Dallas

Washington D.C.

 EST

Dallas, TX

 CST

Airport information


A 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

B 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

Map

Flight map from Washington D.C. to Dallas.

Frequent Flyer Miles Calculator

Washington D.C. (IAD) → Dallas (DFW).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1172
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1172

Round trip?