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How far is Idaho Falls, ID, from Casper, WY?

The distance between Casper (Casper–Natrona County International Airport) and Idaho Falls (Idaho Falls Regional Airport) is 286 miles / 460 kilometers / 249 nautical miles.

The driving distance from Casper (CPR) to Idaho Falls (IDA) is 367 miles / 591 kilometers, and travel time by car is about 8 hours 38 minutes.

Casper–Natrona County International Airport – Idaho Falls Regional Airport

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286
Miles
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460
Kilometers
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249
Nautical miles

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Distance from Casper to Idaho Falls

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

Vincenty's formula (applied above)
  • 286.139 miles
  • 460.495 kilometers
  • 248.648 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
  • 285.392 miles
  • 459.294 kilometers
  • 247.999 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 Casper to Idaho Falls?

The estimated flight time from Casper–Natrona County International Airport to Idaho Falls Regional Airport is 1 hour and 2 minutes.

What is the time difference between Casper and Idaho Falls?

There is no time difference between Casper and Idaho Falls.

Flight carbon footprint between Casper–Natrona County International Airport (CPR) and Idaho Falls Regional Airport (IDA)

On average, flying from Casper to Idaho Falls generates about 67 kg of CO2 per passenger, and 67 kilograms equals 148 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Casper–Natrona County International Airport (CPR) and Idaho Falls Regional Airport (IDA).

Airport information

Origin Casper–Natrona County International Airport
City: Casper, WY
Country: United States Flag of United States
IATA Code: CPR
ICAO Code: KCPR
Coordinates: 42°54′28″N, 106°27′50″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