Air Miles Calculator

Distance between Casper, WY (CPR) and Idaho Falls, ID (IDA)

Flight distance from Casper to Idaho Falls (Casper–Natrona County International Airport – Idaho Falls Regional Airport) is 286 miles / 460 kilometers / 249 nautical miles. Estimated flight time is 1 hour 2 minutes.

Driving distance from Casper (CPR) to Idaho Falls (IDA) is 367 miles / 590 kilometers and travel time by car is about 8 hours 5 minutes.

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

Shortest flight path between Casper–Natrona County International Airport (CPR) and Idaho Falls Regional Airport (IDA).

How far is Idaho Falls from Casper?

There are several ways to calculate distances between Casper and Idaho Falls. Here are two common 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 earth.

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).

Airport information


A 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

B 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

Time difference and current local times

There is no time difference between Casper and Idaho Falls.

Time Difference

Casper, WY

 MST

Idaho Falls, ID

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 67 kg (148 pounds).

Frequent Flyer Miles Calculator

Casper (CPR) → Idaho Falls (IDA).

Distance:
286
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
286

Round trip?