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How far is Fort Hood, TX, from San Antonio, TX?

The distance between San Antonio (San Antonio International Airport) and Fort Hood (Killeen–Fort Hood Regional Airport) is 112 miles / 181 kilometers / 98 nautical miles.

The driving distance from San Antonio (SAT) to Fort Hood (GRK) is 143 miles / 230 kilometers, and travel time by car is about 2 hours 49 minutes.

San Antonio International Airport – Killeen–Fort Hood Regional Airport

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112
Miles
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181
Kilometers
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98
Nautical miles

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Distance from San Antonio to Fort Hood

There are several ways to calculate the distance from San Antonio to Fort Hood. 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 San Antonio to Fort Hood?

The estimated flight time from San Antonio International Airport to Killeen–Fort Hood Regional Airport is 42 minutes.

What is the time difference between San Antonio and Fort Hood?

There is no time difference between San Antonio and Fort Hood.

Flight carbon footprint between San Antonio International Airport (SAT) and Killeen–Fort Hood Regional Airport (GRK)

On average, flying from San Antonio to Fort Hood 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 San Antonio to Fort Hood

See the map of the shortest flight path between San Antonio International Airport (SAT) and Killeen–Fort Hood Regional Airport (GRK).

Airport information

Origin San Antonio International Airport
City: San Antonio, TX
Country: United States Flag of United States
IATA Code: SAT
ICAO Code: KSAT
Coordinates: 29°32′1″N, 98°28′11″W
Destination Killeen–Fort Hood Regional Airport
City: Fort Hood, TX
Country: United States Flag of United States
IATA Code: GRK
ICAO Code: KGRK
Coordinates: 31°4′1″N, 97°49′44″W