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Chicago–Kirksville | ORD–IRK
Calculations with different methods
- 275.085 miles
- 442.706 kilometers
- 239.042 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
- 274.616 miles
- 441.952 kilometers
- 238.635 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 Kirksville Regional Airport (IRK) is 1 hour 1 minutes.
Time difference and current local times
There is no time difference between Chicago and Kirksville.
Chicago to Kirksville flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Kirksville (IRK).