Air Miles Calculator logo

How far is Fort Hood, TX, from Harlingen, TX?

The distance between Harlingen (Valley International Airport) and Fort Hood (Killeen–Fort Hood Regional Airport) is 333 miles / 537 kilometers / 290 nautical miles.

The driving distance from Harlingen (HRL) to Fort Hood (GRK) is 407 miles / 655 kilometers, and travel time by car is about 7 hours 26 minutes.

Valley International Airport – Killeen–Fort Hood Regional Airport

Distance arrow
333
Miles
Distance arrow
537
Kilometers
Distance arrow
290
Nautical miles

Search flights

Distance from Harlingen to Fort Hood

There are several ways to calculate the distance from Harlingen to Fort Hood. Here are two standard 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 planet.

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).

How long does it take to fly from Harlingen to Fort Hood?

The estimated flight time from Valley International Airport to Killeen–Fort Hood Regional Airport is 1 hour and 7 minutes.

What is the time difference between Harlingen and Fort Hood?

There is no time difference between Harlingen and Fort Hood.

Flight carbon footprint between Valley International Airport (HRL) and Killeen–Fort Hood Regional Airport (GRK)

On average, flying from Harlingen to Fort Hood generates about 74 kg of CO2 per passenger, and 74 kilograms equals 163 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Harlingen to Fort Hood

See the map of the shortest flight path between Valley International Airport (HRL) and Killeen–Fort Hood Regional Airport (GRK).

Airport information

Origin 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
Destination 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