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

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

The driving distance from Kalispell (FCA) to San Antonio (SAT) is 1940 miles / 3122 kilometers, and travel time by car is about 34 hours 8 minutes.

Glacier Park International Airport – San Antonio 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 Kalispell to San Antonio

There are several ways to calculate the distance from Kalispell to San Antonio. 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 Kalispell to San Antonio?

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

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

On average, flying from Kalispell to San Antonio 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 Kalispell to San Antonio

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

Airport information

Origin 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
Destination 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