Map of flight path and driving directions from Houston to Fort Hood.
Shortest flight path between Houston William P. Hobby Airport (HOU) and Killeen–Fort Hood Regional Airport (GRK).
How far is Fort Hood from Houston?
There are several ways to calculate distances between Houston and Fort Hood. Here are two common methods:Vincenty's formula (applied above)
- 181.092 miles
- 291.439 kilometers
- 157.364 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
- 181.000 miles
- 291.292 kilometers
- 157.285 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).
Time difference and current local times
There is no time difference between Houston and Fort Hood.
Fort Hood, TX
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 52 kg (114 pounds).
Frequent Flyer Miles Calculator
Houston (HOU) → Fort Hood (GRK).