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How far is Great Falls, MT, from St Augustine, FL?

The distance between St Augustine (Northeast Florida Regional Airport) and Great Falls (Great Falls International Airport) is 2003 miles / 3223 kilometers / 1740 nautical miles.

The driving distance from St Augustine (UST) to Great Falls (GTF) is 2424 miles / 3901 kilometers, and travel time by car is about 45 hours 19 minutes.

Northeast Florida Regional Airport – Great Falls International Airport

Distance arrow
2003
Miles
Distance arrow
3223
Kilometers
Distance arrow
1740
Nautical miles

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Distance from St Augustine to Great Falls

There are several ways to calculate the distance from St Augustine to Great Falls. 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 St Augustine to Great Falls?

The estimated flight time from Northeast Florida Regional Airport to Great Falls International Airport is 4 hours and 17 minutes.

Flight carbon footprint between Northeast Florida Regional Airport (UST) and Great Falls International Airport (GTF)

On average, flying from St Augustine to Great Falls 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 St Augustine to Great Falls

See the map of the shortest flight path between Northeast Florida Regional Airport (UST) and Great Falls International Airport (GTF).

Airport information

Origin Northeast Florida Regional Airport
City: St Augustine, FL
Country: United States Flag of United States
IATA Code: UST
ICAO Code: KSGJ
Coordinates: 29°57′33″N, 81°20′23″W
Destination 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