How far is Great Falls, MT, from San Diego, CA?
The distance between San Diego (San Diego International Airport) and Great Falls (Great Falls International Airport) is 1062 miles / 1710 kilometers / 923 nautical miles.
The driving distance from San Diego (SAN) to Great Falls (GTF) is 1320 miles / 2125 kilometers, and travel time by car is about 22 hours 36 minutes.
San Diego International Airport – Great Falls International Airport
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Distance from San Diego to Great Falls
There are several ways to calculate the distance from San Diego to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 1062.455 miles
- 1709.856 kilometers
- 923.248 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- 1063.617 miles
- 1711.726 kilometers
- 924.258 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 Diego to Great Falls?
The estimated flight time from San Diego International Airport to Great Falls International Airport is 2 hours and 30 minutes.
What is the time difference between San Diego and Great Falls?
Flight carbon footprint between San Diego International Airport (SAN) and Great Falls International Airport (GTF)
On average, flying from San Diego to Great Falls generates about 155 kg of CO2 per passenger, and 155 kilograms equals 341 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 Diego to Great Falls
See the map of the shortest flight path between San Diego International Airport (SAN) and Great Falls International Airport (GTF).
Airport information
| Origin | San Diego International Airport |
|---|---|
| City: | San Diego, CA |
| Country: | United States  |
| IATA Code: | SAN |
| ICAO Code: | KSAN |
| Coordinates: | 32°44′0″N, 117°11′24″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 |