Air Miles Calculator

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

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

Driving distance from Great Falls (GTF) to San Diego (SAN) is 1321 miles / 2126 kilometers and travel time by car is about 22 hours 2 minutes.

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

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

How far is San Diego from Great Falls?

There are several ways to calculate distances between Great Falls and San Diego. 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 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

B 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

Time difference and current local times

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

Time Difference

Great Falls, MT

 MDT

San Diego, CA

 PDT

Carbon dioxide emissions

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

Frequent Flyer Miles Calculator

Great Falls (GTF) → San Diego (SAN).

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

In total

Total frequent flyer miles:
1062

Round trip?