The distance from Idaho Falls Regional Airport to Big Sky, Montana is:

163 miles / 262 km driving

127 miles / 205 km flying

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Map of distance from IDA to Big Sky, MT

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Distance from IDA to Big Sky, MT

The total driving distance from IDA to Big Sky, MT is 163 miles or 262 kilometers.

The total straight line flight distance from IDA to Big Sky, MT is 127 miles.

This is equivalent to 205 kilometers or 110 nautical miles.

Your trip begins at Idaho Falls Regional Airport in Idaho Falls, Idaho. It ends in Big Sky, Montana.

Your flight direction from IDA to Big Sky, MT is North (16 degrees from North).

The distance calculator helps you figure out how far it is to get from IDA to Big Sky, MT. It does this by computing the straight line flying distance ("as the crow flies") and the driving distance if the route is drivable. It uses all this data to compute the total travel mileage.

Idaho Falls Regional Airport

IATA: IDA
ICAO: KIDA
FAA: IDA
City: Idaho Falls
State: Idaho
Zip code: 83402
Country: United States
Category: airports

Big Sky, Montana

City: Big Sky
State: Montana
Country: United States
Category: cities

Distance calculator

Travelmath helps you find distances based on actual road trip directions, or the straight line flight distance. You can get the distance between cities, airports, states, countries, or zip codes to figure out the best route to travel to your destination. Compare the results to the straight line distance to determine whether it's better to drive or fly. The database uses the latitude and longitude of each location to calculate distance using the great circle distance formula. The calculation is done using the Vincenty algorithm and the WGS84 ellipsoid model of the Earth, which is the same one used by most GPS receivers. This gives you the flying distance "as the crow flies." Find your flight distances quickly to estimate the number of frequent flyer miles you'll accumulate. Or ask how far is it between cities to solve your homework problems. You can lookup U.S. cities, or expand your search to get the world distance for international trips. You can also print out pages with a travel map.