Air Miles Calculator

Distance between Harlingen, TX (HRL) and Fort Hood, TX (GRK)

Distance from Harlingen to Fort Hood (Valley International Airport – Killeen–Fort Hood Regional Airport) is 333 miles / 537 kilometers / 290 nautical miles.

How far is Fort Hood from Harlingen?

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

Vincenty's formula (applied above)
  • 333.394 miles
  • 536.546 kilometers
  • 289.711 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
  • 334.489 miles
  • 538.309 kilometers
  • 290.663 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 Valley International Airport (HRL) to Killeen–Fort Hood Regional Airport (GRK) is 1 hour 7 minutes.

Time difference and current local times

There is no time difference between Harlingen and Fort Hood.

Time Difference

Harlingen
Fort Hood

Harlingen, TX

 CST

Fort Hood, TX

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 72 kg (159 pounds).

Airport information


A Valley International Airport
City: Harlingen, TX
Country: United States Flag of United States
IATA Code: HRL
ICAO Code: KHRL
Coordinates: 26°13′42″N, 97°39′15″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

Map

Harlingen to Fort Hood flight map.

Frequent Flyer Miles Calculator

Harlingen (HRL) → Fort Hood (GRK).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
333
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
333

Round trip?