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How far is Idaho Falls, ID, from Decatur, IL?

The distance between Decatur (Decatur Airport) and Idaho Falls (Idaho Falls Regional Airport) is 1223 miles / 1968 kilometers / 1063 nautical miles.

The driving distance from Decatur (DEC) to Idaho Falls (IDA) is 1430 miles / 2302 kilometers, and travel time by car is about 25 hours 59 minutes.

Decatur Airport – Idaho Falls Regional Airport

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1223
Miles
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1968
Kilometers
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1063
Nautical miles

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Distance from Decatur to Idaho Falls

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

Vincenty's formula (applied above)
  • 1223.003 miles
  • 1968.232 kilometers
  • 1062.760 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
  • 1220.026 miles
  • 1963.442 kilometers
  • 1060.174 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 Decatur to Idaho Falls?

The estimated flight time from Decatur Airport to Idaho Falls Regional Airport is 2 hours and 48 minutes.

Flight carbon footprint between Decatur Airport (DEC) and Idaho Falls Regional Airport (IDA)

On average, flying from Decatur to Idaho Falls generates about 162 kg of CO2 per passenger, and 162 kilograms equals 358 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Decatur Airport (DEC) and Idaho Falls Regional Airport (IDA).

Airport information

Origin Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″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