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Chicago–Casper | ORD–CPR
Calculations with different methods
- 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).
Estimated flight time from O'Hare International Airport (ORD) to Casper–Natrona County International Airport (CPR) is 2 hours 17 minutes.
Time difference and current local times
The time difference between Chicago and Casper is 1 hour. Casper is 1 hour behind Chicago.
Chicago to Casper flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Casper (CPR).