# 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
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
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.

CDT

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?