Map of flight path and driving directions from Casper to Chicago.
Shortest flight path between Casper–Natrona County International Airport (CPR) and Chicago O'Hare International Airport (ORD).
How far is Chicago from Casper?
There are several ways to calculate distances between Casper and Chicago. Here are two common methods:Vincenty's formula (applied above)
- 949.022 miles
- 1527.304 kilometers
- 824.678 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
- 946.532 miles
- 1523.295 kilometers
- 822.514 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).
|A||Casper–Natrona County International Airport|
|B||Chicago O'Hare International Airport|
Time difference and current local times
The time difference between Casper and Chicago is 1 hour. Chicago is 1 hour ahead of Casper.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 147 kg (325 pounds).
Frequent Flyer Miles Calculator
Casper (CPR) → Chicago (ORD).