Air Miles Calculator logo

How far is San Diego, CA, from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and San Diego (San Diego International Airport) is 1062 miles / 1710 kilometers / 923 nautical miles.

The driving distance from Great Falls (GTF) to San Diego (SAN) is 1321 miles / 2126 kilometers, and travel time by car is about 22 hours 34 minutes.

Great Falls International Airport – San Diego International Airport

Distance arrow
1062
Miles
Distance arrow
1710
Kilometers
Distance arrow
923
Nautical miles

Search flights

Distance from Great Falls to San Diego

There are several ways to calculate the distance from Great Falls to San Diego. 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 Great Falls to San Diego?

The estimated flight time from Great Falls International Airport to San Diego International Airport is 2 hours and 30 minutes.

Flight carbon footprint between Great Falls International Airport (GTF) and San Diego International Airport (SAN)

On average, flying from Great Falls to San Diego 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 Great Falls to San Diego

See the map of the shortest flight path between Great Falls International Airport (GTF) and San Diego International Airport (SAN).

Airport information

Origin 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
Destination San Diego International Airport
City: San Diego, CA
Country: United States Flag of United States
IATA Code: SAN
ICAO Code: KSAN
Coordinates: 32°44′0″N, 117°11′24″W