How far is Pierre from Chicago?
There are several ways to calculate distances between Chicago and Pierre. Here are two common methods:Vincenty's formula (applied above)
- 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 – the shortest distance between two points).
Estimated flight time from Chicago 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.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 118 kg (261 pounds).
Chicago to Pierre flight path
Shortest flight path between Chicago O'Hare International Airport (ORD) and Pierre Regional Airport (PIR).
Frequent Flyer Miles Calculator
Chicago (ORD) → Pierre (PIR).