Map of flight path and driving directions from Chicago to Idaho Falls.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Idaho Falls Regional Airport (IDA).
How far is Idaho Falls from Chicago?
There are several ways to calculate distances between Chicago and Idaho Falls. Here are two common methods:Vincenty's formula (applied above)
- 1229.666 miles
- 1978.956 kilometers
- 1068.551 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
- 1226.430 miles
- 1973.748 kilometers
- 1065.738 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
The time difference between Chicago and Idaho Falls is 1 hour. Idaho Falls is 1 hour behind Chicago.
Idaho Falls, ID
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 163 kg (359 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Idaho Falls (IDA).