Search by airport name, city or IATA airport code.
Chicago–Pierre | ORD–PIR
Calculations with different methods
- 646.409 miles
- 1040.294 kilometers
- 561.714 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
- 644.826 miles
- 1037.748 kilometers
- 560.339 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 Pierre Regional Airport (PIR) is 1 hour 43 minutes.
Time difference and current local times
There is no time difference between Chicago and Pierre.
Chicago to Pierre flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Pierre (PIR).