Calculations with different methods
- 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).
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..
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 146 kg (322 pounds).
Washington D.C. to Longview flight map.
Frequent Flyer Miles Calculator
Washington D.C. (IAD) → Longview (GGG).