Air Miles Calculator

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

Distance from Washington D.C. to Longview (East Texas Regional Airport – Washington Dulles International Airport) is 1069 miles / 1720 kilometers / 929 nautical miles.

Calculations with different 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).

Flight duration

Estimated flight time from Washington Dulles International Airport (IAD) to East Texas Regional Airport (GGG) is 2 hours 31 minutes.

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.
Longview

Washington D.C.

 EDT

Longview, TX

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 146 kg (322 pounds).

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

Map

Washington D.C. to Longview flight map.

Frequent Flyer Miles Calculator

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

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1069
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1069

Round trip?