Air Miles Calculator

Distance between Austin, TX (AUS) and Fort Hood, TX (GRK)

Flight distance from Austin to Fort Hood (Austin–Bergstrom International Airport – Killeen–Fort Hood Regional Airport) is 61 miles / 98 kilometers / 53 nautical miles. Estimated flight time is 36 minutes.

Driving distance from Austin (AUS) to Fort Hood (GRK) is 78 miles / 126 kilometers and travel time by car is about 1 hour 26 minutes.

Map of flight path and driving directions from Austin to Fort Hood.

Shortest flight path between Austin–Bergstrom International Airport (AUS) and Killeen–Fort Hood Regional Airport (GRK).

How far is Fort Hood from Austin?

There are several ways to calculate distances between Austin and Fort Hood. Here are two common methods:

Vincenty's formula (applied above)
  • 60.859 miles
  • 97.944 kilometers
  • 52.885 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
  • 61.034 miles
  • 98.225 kilometers
  • 53.037 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).

Airport information


A Austin–Bergstrom International Airport
City: Austin, TX
Country: United States Flag of United States
IATA Code: AUS
ICAO Code: KAUS
Coordinates: 30°11′40″N, 97°40′11″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

Time difference and current local times

There is no time difference between Austin and Fort Hood.

Time Difference

Austin, TX

 CST

Fort Hood, TX

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 34 kg (75 pounds).

Frequent Flyer Miles Calculator

Austin (AUS) → Fort Hood (GRK).

Distance:
61
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
61

Round trip?