How far is St Augustine, FL, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and St Augustine (Northeast Florida Regional Airport) is 2003 miles / 3223 kilometers / 1740 nautical miles.
The driving distance from Great Falls (GTF) to St Augustine (UST) is 2483 miles / 3996 kilometers, and travel time by car is about 45 hours 12 minutes.
Great Falls International Airport – Northeast Florida Regional Airport
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Distance from Great Falls to St Augustine
There are several ways to calculate the distance from Great Falls to St Augustine. Here are two standard methods:
Vincenty's formula (applied above)- 2002.522 miles
- 3222.747 kilometers
- 1740.144 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- 2000.659 miles
- 3219.749 kilometers
- 1738.525 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 St Augustine?
The estimated flight time from Great Falls International Airport to Northeast Florida Regional Airport is 4 hours and 17 minutes.
What is the time difference between Great Falls and St Augustine?
Flight carbon footprint between Great Falls International Airport (GTF) and Northeast Florida Regional Airport (UST)
On average, flying from Great Falls to St Augustine generates about 218 kg of CO2 per passenger, and 218 kilograms equals 481 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 St Augustine
See the map of the shortest flight path between Great Falls International Airport (GTF) and Northeast Florida Regional Airport (UST).
Airport information
| Origin | 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 |
| Destination | Northeast Florida Regional Airport |
|---|---|
| City: | St Augustine, FL |
| Country: | United States |
| IATA Code: | UST |
| ICAO Code: | KSGJ |
| Coordinates: | 29°57′33″N, 81°20′23″W |