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How far is San Antonio, TX, from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and San Antonio (San Antonio International Airport) is 1417 miles / 2281 kilometers / 1232 nautical miles.

The driving distance from Great Falls (GTF) to San Antonio (SAT) is 1708 miles / 2748 kilometers, and travel time by car is about 31 hours 26 minutes.

Great Falls International Airport – San Antonio International Airport

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1417
Miles
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2281
Kilometers
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1232
Nautical miles

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Distance from Great Falls to San Antonio

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

Vincenty's formula (applied above)
  • 1417.440 miles
  • 2281.148 kilometers
  • 1231.721 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
  • 1418.455 miles
  • 2282.783 kilometers
  • 1232.604 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 San Antonio?

The estimated flight time from Great Falls International Airport to San Antonio International Airport is 3 hours and 11 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and San Antonio International Airport (SAT)

On average, flying from Great Falls to San Antonio generates about 174 kg of CO2 per passenger, and 174 kilograms equals 384 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 San Antonio

See the map of the shortest flight path between Great Falls International Airport (GTF) and San Antonio International Airport (SAT).

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 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