How far is Fort Hood, TX, from Harrison, AR?
The distance between Harrison (Boone County Airport) and Fort Hood (Killeen–Fort Hood Regional Airport) is 448 miles / 721 kilometers / 389 nautical miles.
The driving distance from Harrison (HRO) to Fort Hood (GRK) is 567 miles / 913 kilometers, and travel time by car is about 10 hours 43 minutes.
Boone County Airport – Killeen–Fort Hood Regional Airport
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Distance from Harrison to Fort Hood
There are several ways to calculate the distance from Harrison to Fort Hood. 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 Harrison to Fort Hood?
The estimated flight time from Boone County Airport to Killeen–Fort Hood Regional Airport is 1 hour and 20 minutes.
What is the time difference between Harrison and Fort Hood?
Flight carbon footprint between Boone County Airport (HRO) and Killeen–Fort Hood Regional Airport (GRK)
On average, flying from Harrison to Fort Hood 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 Harrison to Fort Hood
See the map of the shortest flight path between Boone County Airport (HRO) and Killeen–Fort Hood Regional Airport (GRK).
Airport information
| Origin | Boone County Airport |
|---|---|
| City: | Harrison, AR |
| Country: | United States  |
| IATA Code: | HRO |
| ICAO Code: | KHRO |
| Coordinates: | 36°15′41″N, 93°9′16″W |
| Destination | Killeen–Fort Hood Regional Airport |
|---|---|
| City: | Fort Hood, TX |
| Country: | United States |
| IATA Code: | GRK |
| ICAO Code: | KGRK |
| Coordinates: | 31°4′1″N, 97°49′44″W |