How far is Great Falls, MT, from San Antonio, TX?
The distance between San Antonio (San Antonio International Airport) and Great Falls (Great Falls International Airport) is 1417 miles / 2281 kilometers / 1232 nautical miles.
The driving distance from San Antonio (SAT) to Great Falls (GTF) is 1708 miles / 2748 kilometers, and travel time by car is about 31 hours 26 minutes.
San Antonio International Airport – Great Falls International Airport
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Distance from San Antonio to Great Falls
There are several ways to calculate the distance from San Antonio to Great Falls. 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 San Antonio to Great Falls?
The estimated flight time from San Antonio International Airport to Great Falls International Airport is 3 hours and 11 minutes.
What is the time difference between San Antonio and Great Falls?
Flight carbon footprint between San Antonio International Airport (SAT) and Great Falls International Airport (GTF)
On average, flying from San Antonio to Great Falls 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 San Antonio to Great Falls
See the map of the shortest flight path between San Antonio International Airport (SAT) and Great Falls International Airport (GTF).
Airport information
| Origin | San Antonio International Airport |
|---|---|
| City: | San Antonio, TX |
| Country: | United States  |
| IATA Code: | SAT |
| ICAO Code: | KSAT |
| Coordinates: | 29°32′1″N, 98°28′11″W |
| Destination | Great Falls International Airport |
|---|---|
| City: | Great Falls, MT |
| Country: | United States |
| IATA Code: | GTF |
| ICAO Code: | KGTF |
| Coordinates: | 47°28′55″N, 111°22′15″W |