Air Miles Calculator

Distance between Oklahoma City, OK (OKC) and Fort Hood, TX (GRK)

Flight distance from Oklahoma City to Fort Hood (Will Rogers World Airport – Killeen–Fort Hood Regional Airport) is 298 miles / 480 kilometers / 259 nautical miles. Estimated flight time is 1 hour 3 minutes.

Driving distance from Oklahoma City (OKC) to Fort Hood (GRK) is 361 miles / 581 kilometers and travel time by car is about 6 hours 22 minutes.

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

Shortest flight path between Will Rogers World Airport (OKC) and Killeen–Fort Hood Regional Airport (GRK).

How far is Fort Hood from Oklahoma City?

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

Vincenty's formula (applied above)
  • 298.414 miles
  • 480.251 kilometers
  • 259.315 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
  • 299.182 miles
  • 481.486 kilometers
  • 259.982 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 Will Rogers World Airport
City: Oklahoma City, OK
Country: United States Flag of United States
IATA Code: OKC
ICAO Code: KOKC
Coordinates: 35°23′35″N, 97°36′2″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 Oklahoma City and Fort Hood.

Time Difference

Oklahoma City, OK

 CDT

Fort Hood, TX

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 66 kg (146 pounds).

Frequent Flyer Miles Calculator

Oklahoma City (OKC) → Fort Hood (GRK).

Air miles:
298
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
298

Round trip?