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How far is Idaho Falls, ID, from Kalispell, MT?

The distance between Kalispell (Glacier Park International Airport) and Idaho Falls (Idaho Falls Regional Airport) is 348 miles / 559 kilometers / 302 nautical miles.

The driving distance from Kalispell (FCA) to Idaho Falls (IDA) is 427 miles / 687 kilometers, and travel time by car is about 7 hours 23 minutes.

Glacier Park International Airport – Idaho Falls Regional Airport

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348
Miles
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559
Kilometers
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302
Nautical miles

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Distance from Kalispell to Idaho Falls

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

Vincenty's formula (applied above)
  • 347.536 miles
  • 559.305 kilometers
  • 302.000 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
  • 347.575 miles
  • 559.367 kilometers
  • 302.034 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 Idaho Falls?

The estimated flight time from Glacier Park International Airport to Idaho Falls Regional Airport is 1 hour and 9 minutes.

What is the time difference between Kalispell and Idaho Falls?

There is no time difference between Kalispell and Idaho Falls.

Flight carbon footprint between Glacier Park International Airport (FCA) and Idaho Falls Regional Airport (IDA)

On average, flying from Kalispell to Idaho Falls generates about 76 kg of CO2 per passenger, and 76 kilograms equals 168 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 Idaho Falls

See the map of the shortest flight path between Glacier Park International Airport (FCA) and Idaho Falls Regional Airport (IDA).

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 Idaho Falls Regional Airport
City: Idaho Falls, ID
Country: United States Flag of United States
IATA Code: IDA
ICAO Code: KIDA
Coordinates: 43°30′52″N, 112°4′15″W