How far is San Antonio, TX, from Fort Hood, TX?
The distance between Fort Hood (Killeen–Fort Hood Regional Airport) and San Antonio (San Antonio International Airport) is 112 miles / 181 kilometers / 98 nautical miles.
The driving distance from Fort Hood (GRK) to San Antonio (SAT) is 142 miles / 229 kilometers, and travel time by car is about 2 hours 48 minutes.
Killeen–Fort Hood Regional Airport – San Antonio International Airport
Search flights
Distance from Fort Hood to San Antonio
There are several ways to calculate the distance from Fort Hood to San Antonio. Here are two standard methods:
Vincenty's formula (applied above)- 112.364 miles
- 180.832 kilometers
- 97.642 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- 112.641 miles
- 181.278 kilometers
- 97.882 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 San Antonio?
The estimated flight time from Killeen–Fort Hood Regional Airport to San Antonio International Airport is 42 minutes.
What is the time difference between Fort Hood and San Antonio?
There is no time difference between Fort Hood and San Antonio.
Flight carbon footprint between Killeen–Fort Hood Regional Airport (GRK) and San Antonio International Airport (SAT)
On average, flying from Fort Hood to San Antonio generates about 42 kg of CO2 per passenger, and 42 kilograms equals 92 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 San Antonio
See the map of the shortest flight path between Killeen–Fort Hood Regional Airport (GRK) and San Antonio International Airport (SAT).
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 | San Antonio International Airport |
|---|---|
| City: | San Antonio, TX |
| Country: | United States |
| IATA Code: | SAT |
| ICAO Code: | KSAT |
| Coordinates: | 29°32′1″N, 98°28′11″W |