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

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

The driving distance from Idaho Falls (IDA) to Decatur (DEC) is 1430 miles / 2301 kilometers, and travel time by car is about 25 hours 58 minutes.

Idaho Falls Regional Airport – Decatur 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 Idaho Falls to Decatur

There are several ways to calculate the distance from Idaho Falls to Decatur. 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 Idaho Falls to Decatur?

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

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

On average, flying from Idaho Falls to Decatur 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 Idaho Falls to Decatur

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

Airport information

Origin 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
Destination 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