Air Miles Calculator

Distance between Washington D.C. (IAD) and Longview, TX (GGG)

Flight distance from Washington D.C. to Longview (Washington Dulles International Airport – East Texas Regional Airport) is 1069 miles / 1720 kilometers / 929 nautical miles. Estimated flight time is 2 hours 31 minutes.

Driving distance from Washington D.C. (IAD) to Longview (GGG) is 1240 miles / 1995 kilometers and travel time by car is about 21 hours 24 minutes.

Map of flight path and driving directions from Washington D.C. to Longview.

Shortest flight path between Washington Dulles International Airport (IAD) and East Texas Regional Airport (GGG).

How far is Longview from Washington D.C.?

There are several ways to calculate distances between Washington D.C. and Longview. Here are two common methods:

Vincenty's formula (applied above)
  • 1068.660 miles
  • 1719.841 kilometers
  • 928.640 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
  • 1067.102 miles
  • 1717.334 kilometers
  • 927.286 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 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 East Texas Regional Airport
City: Longview, TX
Country: United States Flag of United States
IATA Code: GGG
ICAO Code: KGGG
Coordinates: 32°23′2″N, 94°42′41″W

Time difference and current local times

The time difference between Washington D.C. and Longview is 1 hour. Longview is 1 hour behind Washington D.C..

Time Difference

Washington D.C.

 EDT

Longview, TX

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 155 kg (342 pounds).

Frequent Flyer Miles Calculator

Washington D.C. (IAD) → Longview (GGG).

Distance:
1069
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1069

Round trip?