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

The distance between San Francisco (San Francisco International Airport) and Great Falls (Great Falls International Airport) is 881 miles / 1417 kilometers / 765 nautical miles.

The driving distance from San Francisco (SFO) to Great Falls (GTF) is 1199 miles / 1929 kilometers, and travel time by car is about 20 hours 58 minutes.

San Francisco International Airport – Great Falls International Airport

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881
Miles
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1417
Kilometers
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765
Nautical miles

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Distance from San Francisco to Great Falls

There are several ways to calculate the distance from San Francisco to Great Falls. Here are two standard methods:

Vincenty's formula (applied above)
  • 880.713 miles
  • 1417.370 kilometers
  • 765.318 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
  • 880.303 miles
  • 1416.711 kilometers
  • 764.963 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 Francisco to Great Falls?

The estimated flight time from San Francisco International Airport to Great Falls International Airport is 2 hours and 10 minutes.

Flight carbon footprint between San Francisco International Airport (SFO) and Great Falls International Airport (GTF)

On average, flying from San Francisco to Great Falls generates about 142 kg of CO2 per passenger, and 142 kilograms equals 313 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 Francisco to Great Falls

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

Airport information

Origin San Francisco International Airport
City: San Francisco, CA
Country: United States Flag of United States
IATA Code: SFO
ICAO Code: KSFO
Coordinates: 37°37′8″N, 122°22′30″W
Destination 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