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How far is Kalispell, MT, from San Antonio, TX?

The distance between San Antonio (San Antonio International Airport) and Kalispell (Glacier Park International Airport) is 1543 miles / 2483 kilometers / 1341 nautical miles.

The driving distance from San Antonio (SAT) to Kalispell (FCA) is 1939 miles / 3121 kilometers, and travel time by car is about 34 hours 4 minutes.

San Antonio International Airport – Glacier Park International Airport

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1543
Miles
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2483
Kilometers
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1341
Nautical miles

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Distance from San Antonio to Kalispell

There are several ways to calculate the distance from San Antonio to Kalispell. Here are two standard methods:

Vincenty's formula (applied above)
  • 1542.795 miles
  • 2482.888 kilometers
  • 1340.652 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
  • 1543.448 miles
  • 2483.938 kilometers
  • 1341.219 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 Antonio to Kalispell?

The estimated flight time from San Antonio International Airport to Glacier Park International Airport is 3 hours and 25 minutes.

Flight carbon footprint between San Antonio International Airport (SAT) and Glacier Park International Airport (FCA)

On average, flying from San Antonio to Kalispell generates about 182 kg of CO2 per passenger, and 182 kilograms equals 402 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 Antonio to Kalispell

See the map of the shortest flight path between San Antonio International Airport (SAT) and Glacier Park International Airport (FCA).

Airport information

Origin San Antonio International Airport
City: San Antonio, TX
Country: United States Flag of United States
IATA Code: SAT
ICAO Code: KSAT
Coordinates: 29°32′1″N, 98°28′11″W
Destination Glacier Park International Airport
City: Kalispell, MT
Country: United States Flag of United States
IATA Code: FCA
ICAO Code: KGPI
Coordinates: 48°18′37″N, 114°15′21″W