How far is Fort Hood, TX, from Fort Smith, AR?
The distance between Fort Smith (Fort Smith Regional Airport) and Fort Hood (Killeen–Fort Hood Regional Airport) is 356 miles / 573 kilometers / 309 nautical miles.
The driving distance from Fort Smith (FSM) to Fort Hood (GRK) is 446 miles / 718 kilometers, and travel time by car is about 8 hours 25 minutes.
Fort Smith Regional Airport – Killeen–Fort Hood Regional Airport
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Distance from Fort Smith to Fort Hood
There are several ways to calculate the distance from Fort Smith to Fort Hood. Here are two standard methods:
Vincenty's formula (applied above)- 356.009 miles
- 572.941 kilometers
- 309.363 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- 356.399 miles
- 573.569 kilometers
- 309.703 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 Smith to Fort Hood?
The estimated flight time from Fort Smith Regional Airport to Killeen–Fort Hood Regional Airport is 1 hour and 10 minutes.
What is the time difference between Fort Smith and Fort Hood?
There is no time difference between Fort Smith and Fort Hood.
Flight carbon footprint between Fort Smith Regional Airport (FSM) and Killeen–Fort Hood Regional Airport (GRK)
On average, flying from Fort Smith to Fort Hood generates about 77 kg of CO2 per passenger, and 77 kilograms equals 171 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 Smith to Fort Hood
See the map of the shortest flight path between Fort Smith Regional Airport (FSM) and Killeen–Fort Hood Regional Airport (GRK).
Airport information
| Origin | Fort Smith Regional Airport |
|---|---|
| City: | Fort Smith, AR |
| Country: | United States  |
| IATA Code: | FSM |
| ICAO Code: | KFSM |
| Coordinates: | 35°20′11″N, 94°22′2″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 |