Air Miles Calculator

Distance between Houston, TX (HOU) and Fort Hood, TX (GRK)

Distance from Houston to Fort Hood (Houston William P. Hobby Airport – Killeen–Fort Hood Regional Airport) is 181 miles / 291 kilometers / 157 nautical miles.

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).

Flight duration

Estimated flight time from Houston William P. Hobby Airport (HOU) to Killeen–Fort Hood Regional Airport (GRK) is 50 minutes.

Time difference and current local times

There is no time difference between Houston and Fort Hood.

Time Difference

Houston
Fort Hood

Houston, TX

 CDT

Fort Hood, TX

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 50 kg (110 pounds).

Airport information


A Houston William P. Hobby Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: HOU
ICAO Code: KHOU
Coordinates: 29°38′43″N, 95°16′44″W

B Killeen–Fort Hood Regional Airport
City: Fort Hood, TX
Country: United States Flag of United States
IATA Code: GRK
ICAO Code: KGRK
Coordinates: 31°4′1″N, 97°49′44″W

Houston to Fort Hood flight path

Shortest flight path between Houston William P. Hobby Airport (HOU) and Killeen–Fort Hood Regional Airport (GRK).

Frequent Flyer Miles Calculator

Houston (HOU) → Fort Hood (GRK).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
181
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
181

Round trip?