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How far is Fort Hood, TX, from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and Fort Hood (Killeen–Fort Hood Regional Airport) is 1341 miles / 2158 kilometers / 1165 nautical miles.

The driving distance from Great Falls (GTF) to Fort Hood (GRK) is 1660 miles / 2672 kilometers, and travel time by car is about 30 hours 52 minutes.

Great Falls International Airport – Killeen–Fort Hood Regional Airport

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1341
Miles
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2158
Kilometers
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1165
Nautical miles

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Distance from Great Falls to Fort Hood

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

Vincenty's formula (applied above)
  • 1340.763 miles
  • 2157.749 kilometers
  • 1165.091 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
  • 1341.314 miles
  • 2158.636 kilometers
  • 1165.570 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 Great Falls to Fort Hood?

The estimated flight time from Great Falls International Airport to Killeen–Fort Hood Regional Airport is 3 hours and 2 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and Killeen–Fort Hood Regional Airport (GRK)

On average, flying from Great Falls to Fort Hood generates about 169 kg of CO2 per passenger, and 169 kilograms equals 374 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Great Falls to Fort Hood

See the map of the shortest flight path between Great Falls International Airport (GTF) and Killeen–Fort Hood Regional Airport (GRK).

Airport information

Origin Great Falls International Airport
City: Great Falls, MT
Country: United States Flag of United States
IATA Code: GTF
ICAO Code: KGTF
Coordinates: 47°28′55″N, 111°22′15″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