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).
Time difference and current local times
There is no time difference between Casper and Idaho Falls.
Idaho Falls, ID
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 67 kg (148 pounds).
Frequent Flyer Miles Calculator
Casper (CPR) → Idaho Falls (IDA).