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).
Estimated flight time from Casper–Natrona County International Airport (CPR) to O'Hare International Airport (ORD) is 2 hours 17 minutes.
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).
Casper to Chicago flight map.
Frequent Flyer Miles Calculator
Casper (CPR) → Chicago (ORD).