How far is Fort Smith, AR, from Fort Hood, TX?
The distance between Fort Hood (Killeen–Fort Hood Regional Airport) and Fort Smith (Fort Smith Regional Airport) is 356 miles / 573 kilometers / 309 nautical miles.
The driving distance from Fort Hood (GRK) to Fort Smith (FSM) is 446 miles / 718 kilometers, and travel time by car is about 8 hours 26 minutes.
Killeen–Fort Hood Regional Airport – Fort Smith Regional Airport
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Distance from Fort Hood to Fort Smith
There are several ways to calculate the distance from Fort Hood to Fort Smith. 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 Hood to Fort Smith?
The estimated flight time from Killeen–Fort Hood Regional Airport to Fort Smith Regional Airport is 1 hour and 10 minutes.
What is the time difference between Fort Hood and Fort Smith?
There is no time difference between Fort Hood and Fort Smith.
Flight carbon footprint between Killeen–Fort Hood Regional Airport (GRK) and Fort Smith Regional Airport (FSM)
On average, flying from Fort Hood to Fort Smith 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 Hood to Fort Smith
See the map of the shortest flight path between Killeen–Fort Hood Regional Airport (GRK) and Fort Smith Regional Airport (FSM).
Airport information
| Origin | 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 |
| Destination | 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 |