How far is Great Falls, MT, from Saint John?
The distance between Saint John (Saint John Airport) and Great Falls (Great Falls International Airport) is 2147 miles / 3456 kilometers / 1866 nautical miles.
The driving distance from Saint John (YSJ) to Great Falls (GTF) is 2597 miles / 4179 kilometers, and travel time by car is about 51 hours 14 minutes.
Saint John Airport – Great Falls International Airport
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Distance from Saint John to Great Falls
There are several ways to calculate the distance from Saint John to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 2147.303 miles
- 3455.749 kilometers
- 1865.955 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- 2141.172 miles
- 3445.882 kilometers
- 1860.628 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 Saint John to Great Falls?
The estimated flight time from Saint John Airport to Great Falls International Airport is 4 hours and 33 minutes.
What is the time difference between Saint John and Great Falls?
Flight carbon footprint between Saint John Airport (YSJ) and Great Falls International Airport (GTF)
On average, flying from Saint John to Great Falls generates about 234 kg of CO2 per passenger, and 234 kilograms equals 517 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Saint John to Great Falls
See the map of the shortest flight path between Saint John Airport (YSJ) and Great Falls International Airport (GTF).
Airport information
| Origin | Saint John Airport |
|---|---|
| City: | Saint John |
| Country: | Canada  |
| IATA Code: | YSJ |
| ICAO Code: | CYSJ |
| Coordinates: | 45°18′57″N, 65°53′25″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 |