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Distance between Spokane, WA (GEG) and Idaho Falls, ID (IDA)

Flight distance from Spokane to Idaho Falls (Spokane International Airport – Idaho Falls Regional Airport) is 388 miles / 624 kilometers / 337 nautical miles. Estimated flight time is 1 hour 14 minutes.

Driving distance from Spokane (GEG) to Idaho Falls (IDA) is 514 miles / 828 kilometers and travel time by car is about 9 hours 1 minutes.

Spokane – Idaho Falls

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388
Miles
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624
Kilometers
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337
Nautical miles

How far is Idaho Falls from Spokane?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:

Vincenty's formula (applied above)
  • 387.882 miles
  • 624.236 kilometers
  • 337.061 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 387.470 miles
  • 623.573 kilometers
  • 336.703 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).

Flight Duration

Estimated flight time from Spokane to Idaho Falls is 1 hour 14 minutes.

Time difference and current local times

The time difference between Spokane and Idaho Falls is 1 hour. Idaho Falls is 1 hour ahead of Spokane.

Spokane time to Idaho Falls time converter

Time in Spokane: 00:00 ⇆ Time in Idaho Falls: 00:00

Current local times

Spokane, WA

 PDT

Idaho Falls, ID

 MDT

Carbon dioxide emissions

On average flying from Spokane to Idaho Falls generates about 82 kg of CO2 per passenger, 82 kilograms is equal to 181 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Spokane to Idaho Falls

Shortest flight path between Spokane International Airport (GEG) and Idaho Falls Regional Airport (IDA).

Airport information

Origin Spokane International Airport
City: Spokane, WA
Country: United States Flag of United States
IATA Code: GEG
ICAO Code: KGEG
Coordinates: 47°37′11″N, 117°32′2″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