Air Miles Calculator

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

Flight distance from Dallas to Washington D.C. (Dallas Love Field – Washington Dulles International Airport) is 1164 miles / 1873 kilometers / 1011 nautical miles. Estimated flight time is 2 hours 42 minutes.

Driving distance from Dallas (DAL) to Washington D.C. (IAD) is 1317 miles / 2120 kilometers and travel time by car is about 22 hours 42 minutes.

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).

Airport information


A Dallas Love Field
City: Dallas, TX
Country: United States Flag of United States
IATA Code: DAL
ICAO Code: KDAL
Coordinates: 32°50′49″N, 96°51′6″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

 CST

Washington D.C.

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 160 kg (352 pounds).

Frequent Flyer Miles Calculator

Dallas (DAL) → Washington D.C. (IAD).

Distance:
1164
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1164

Round trip?