How far is Fort Hood, TX, from Pierre, SD?
The distance between Pierre (Pierre Regional Airport) and Fort Hood (Killeen–Fort Hood Regional Airport) is 928 miles / 1494 kilometers / 806 nautical miles.
The driving distance from Pierre (PIR) to Fort Hood (GRK) is 1092 miles / 1757 kilometers, and travel time by car is about 20 hours 38 minutes.
Pierre Regional Airport – Killeen–Fort Hood Regional Airport
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Distance from Pierre to Fort Hood
There are several ways to calculate the distance from Pierre to Fort Hood. Here are two standard methods:
Vincenty's formula (applied above)- 928.026 miles
- 1493.513 kilometers
- 806.432 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- 929.638 miles
- 1496.108 kilometers
- 807.834 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 Pierre to Fort Hood?
The estimated flight time from Pierre Regional Airport to Killeen–Fort Hood Regional Airport is 2 hours and 15 minutes.
What is the time difference between Pierre and Fort Hood?
Flight carbon footprint between Pierre Regional Airport (PIR) and Killeen–Fort Hood Regional Airport (GRK)
On average, flying from Pierre to Fort Hood generates about 146 kg of CO2 per passenger, and 146 kilograms equals 321 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Pierre to Fort Hood
See the map of the shortest flight path between Pierre Regional Airport (PIR) and Killeen–Fort Hood Regional Airport (GRK).
Airport information
| Origin | Pierre Regional Airport |
|---|---|
| City: | Pierre, SD |
| Country: | United States  |
| IATA Code: | PIR |
| ICAO Code: | KPIR |
| Coordinates: | 44°22′57″N, 100°17′9″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 |