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).
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.
San Diego, CA
Great Falls, MT
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 155 kg (341 pounds).
Frequent Flyer Miles Calculator
San Diego (SAN) → Great Falls (GTF).