Calculations with different methods
- 1272.916 miles
- 2048.560 kilometers
- 1106.134 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
- 1271.140 miles
- 2045.701 kilometers
- 1104.590 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 Killeen–Fort Hood Regional Airport (GRK) is 2 hours 54 minutes.
Time difference and current local times
The time difference between Washington D.C. and Fort Hood is 1 hour. Fort Hood is 1 hour behind Washington D.C..
Fort Hood, TX
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 164 kg (361 pounds).
Washington D.C. to Fort Hood flight map.
Frequent Flyer Miles Calculator
Washington D.C. (IAD) → Fort Hood (GRK).