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How far is Kalispell, MT, from Great Falls, MT?

The distance between Great Falls (Great Falls International Airport) and Kalispell (Glacier Park International Airport) is 146 miles / 235 kilometers / 127 nautical miles.

The driving distance from Great Falls (GTF) to Kalispell (FCA) is 221 miles / 355 kilometers, and travel time by car is about 4 hours 31 minutes.

Great Falls International Airport – Glacier Park International Airport

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146
Miles
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235
Kilometers
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127
Nautical miles

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Distance from Great Falls to Kalispell

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

Vincenty's formula (applied above)
  • 145.743 miles
  • 234.551 kilometers
  • 126.647 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
  • 145.380 miles
  • 233.966 kilometers
  • 126.332 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 Great Falls to Kalispell?

The estimated flight time from Great Falls International Airport to Glacier Park International Airport is 46 minutes.

What is the time difference between Great Falls and Kalispell?

There is no time difference between Great Falls and Kalispell.

Flight carbon footprint between Great Falls International Airport (GTF) and Glacier Park International Airport (FCA)

On average, flying from Great Falls to Kalispell generates about 46 kg of CO2 per passenger, and 46 kilograms equals 102 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Great Falls to Kalispell

See the map of the shortest flight path between Great Falls International Airport (GTF) and Glacier Park International Airport (FCA).

Airport information

Origin 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
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