Air Miles Calculator

Distance between San Diego, CA (SAN) and Great Falls, MT (GTF)

Flight distance from San Diego to Great Falls (San Diego International Airport – Great Falls International Airport) is 1062 miles / 1710 kilometers / 923 nautical miles. Estimated flight time is 2 hours 30 minutes.

Driving distance from San Diego (SAN) to Great Falls (GTF) is 1320 miles / 2125 kilometers and travel time by car is about 22 hours 2 minutes.

Map of flight path and driving directions from San Diego to Great Falls.

Shortest flight path between San Diego International Airport (SAN) and Great Falls International Airport (GTF).

How far is Great Falls from San Diego?

There are several ways to calculate distances between San Diego and Great Falls. Here are two common 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 earth.

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).

Airport information


A 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

B 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

Time difference and current local times

The time difference between San Diego and Great Falls is 1 hour. Great Falls is 1 hour ahead of San Diego.

Time Difference

San Diego, CA

 PST

Great Falls, MT

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 155 kg (341 pounds).

Frequent Flyer Miles Calculator

San Diego (SAN) → Great Falls (GTF).

Distance:
1062
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1062

Round trip?