Air Miles Calculator

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

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

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
Washington D.C.

Dallas, TX

 CST

Washington D.C.

 EST

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

Map

Flight map from Dallas to Washington D.C..

Frequent Flyer Miles Calculator

Dallas (DFW) → Washington D.C. (IAD).

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?