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How far is Harrison, AR, from Fort Hood, TX?

The distance between Fort Hood (Killeen–Fort Hood Regional Airport) and Harrison (Boone County Airport) is 448 miles / 721 kilometers / 389 nautical miles.

The driving distance from Fort Hood (GRK) to Harrison (HRO) is 567 miles / 913 kilometers, and travel time by car is about 10 hours 44 minutes.

Killeen–Fort Hood Regional Airport – Boone County Airport

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448
Miles
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721
Kilometers
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389
Nautical miles

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Distance from Fort Hood to Harrison

There are several ways to calculate the distance from Fort Hood to Harrison. Here are two standard methods:

Vincenty's formula (applied above)
  • 447.877 miles
  • 720.788 kilometers
  • 389.194 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
  • 448.249 miles
  • 721.387 kilometers
  • 389.518 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 Fort Hood to Harrison?

The estimated flight time from Killeen–Fort Hood Regional Airport to Boone County Airport is 1 hour and 20 minutes.

What is the time difference between Fort Hood and Harrison?

There is no time difference between Fort Hood and Harrison.

Flight carbon footprint between Killeen–Fort Hood Regional Airport (GRK) and Boone County Airport (HRO)

On average, flying from Fort Hood to Harrison generates about 91 kg of CO2 per passenger, and 91 kilograms equals 200 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Killeen–Fort Hood Regional Airport (GRK) and Boone County Airport (HRO).

Airport information

Origin 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
Destination Boone County Airport
City: Harrison, AR
Country: United States Flag of United States
IATA Code: HRO
ICAO Code: KHRO
Coordinates: 36°15′41″N, 93°9′16″W