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How far is Chattanooga, TN, from Fort Hood, TX?

The distance between Fort Hood (Killeen–Fort Hood Regional Airport) and Chattanooga (Chattanooga Metropolitan Airport) is 781 miles / 1257 kilometers / 679 nautical miles.

The driving distance from Fort Hood (GRK) to Chattanooga (CHA) is 902 miles / 1451 kilometers, and travel time by car is about 16 hours 42 minutes.

Killeen–Fort Hood Regional Airport – Chattanooga Metropolitan Airport

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781
Miles
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1257
Kilometers
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679
Nautical miles

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Distance from Fort Hood to Chattanooga

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

Vincenty's formula (applied above)
  • 781.344 miles
  • 1257.452 kilometers
  • 678.969 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
  • 780.147 miles
  • 1255.524 kilometers
  • 677.929 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 Chattanooga?

The estimated flight time from Killeen–Fort Hood Regional Airport to Chattanooga Metropolitan Airport is 1 hour and 58 minutes.

Flight carbon footprint between Killeen–Fort Hood Regional Airport (GRK) and Chattanooga Metropolitan Airport (CHA)

On average, flying from Fort Hood to Chattanooga generates about 133 kg of CO2 per passenger, and 133 kilograms equals 293 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 Chattanooga

See the map of the shortest flight path between Killeen–Fort Hood Regional Airport (GRK) and Chattanooga Metropolitan Airport (CHA).

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 Chattanooga Metropolitan Airport
City: Chattanooga, TN
Country: United States Flag of United States
IATA Code: CHA
ICAO Code: KCHA
Coordinates: 35°2′7″N, 85°12′13″W