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How far is St Augustine, FL, from Fort Hood, TX?

The distance between Fort Hood (Killeen–Fort Hood Regional Airport) and St Augustine (Northeast Florida Regional Airport) is 986 miles / 1586 kilometers / 856 nautical miles.

The driving distance from Fort Hood (GRK) to St Augustine (UST) is 1115 miles / 1794 kilometers, and travel time by car is about 20 hours 42 minutes.

Killeen–Fort Hood Regional Airport – Northeast Florida Regional Airport

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986
Miles
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1586
Kilometers
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856
Nautical miles

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Distance from Fort Hood to St Augustine

There are several ways to calculate the distance from Fort Hood to St Augustine. Here are two standard methods:

Vincenty's formula (applied above)
  • 985.507 miles
  • 1586.020 kilometers
  • 856.382 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
  • 983.585 miles
  • 1582.927 kilometers
  • 854.712 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 St Augustine?

The estimated flight time from Killeen–Fort Hood Regional Airport to Northeast Florida Regional Airport is 2 hours and 21 minutes.

Flight carbon footprint between Killeen–Fort Hood Regional Airport (GRK) and Northeast Florida Regional Airport (UST)

On average, flying from Fort Hood to St Augustine generates about 150 kg of CO2 per passenger, and 150 kilograms equals 330 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 St Augustine

See the map of the shortest flight path between Killeen–Fort Hood Regional Airport (GRK) and Northeast Florida Regional Airport (UST).

Airport information

Origin 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
Destination Northeast Florida Regional Airport
City: St Augustine, FL
Country: United States Flag of United States
IATA Code: UST
ICAO Code: KSGJ
Coordinates: 29°57′33″N, 81°20′23″W