Map of flight path and driving directions from Chicago to Kirksville.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Kirksville Regional Airport (IRK).
How far is Kirksville from Chicago?
There are several ways to calculate distances between Chicago and Kirksville. Here are two common methods:Vincenty's formula (applied above)
- 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 – the shortest distance between two points).
Time difference and current local times
There is no time difference between Chicago and Kirksville.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 66 kg (144 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Kirksville (IRK).