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How far is Decatur, IL, from Fort Hood, TX?

The distance between Fort Hood (Killeen–Fort Hood Regional Airport) and Decatur (Decatur Airport) is 787 miles / 1267 kilometers / 684 nautical miles.

The driving distance from Fort Hood (GRK) to Decatur (DEC) is 932 miles / 1500 kilometers, and travel time by car is about 17 hours 27 minutes.

Killeen–Fort Hood Regional Airport – Decatur Airport

Distance arrow
787
Miles
Distance arrow
1267
Kilometers
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684
Nautical miles

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Distance from Fort Hood to Decatur

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

Vincenty's formula (applied above)
  • 787.119 miles
  • 1266.745 kilometers
  • 683.988 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
  • 787.424 miles
  • 1267.236 kilometers
  • 684.253 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 Decatur?

The estimated flight time from Killeen–Fort Hood Regional Airport to Decatur Airport is 1 hour and 59 minutes.

What is the time difference between Fort Hood and Decatur?

There is no time difference between Fort Hood and Decatur.

Flight carbon footprint between Killeen–Fort Hood Regional Airport (GRK) and Decatur Airport (DEC)

On average, flying from Fort Hood to Decatur generates about 134 kg of CO2 per passenger, and 134 kilograms equals 295 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 Decatur

See the map of the shortest flight path between Killeen–Fort Hood Regional Airport (GRK) and Decatur Airport (DEC).

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 Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″W