Air Miles Calculator

Distance between Chicago, IL (ORD) and Kirksville, MO (IRK)

Distance from O'Hare International Airport to Kirksville Regional Airport is 275 miles / 443 kilometers / 239 nautical miles.

Calculations with different 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).

Flight duration

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.

Time Difference

Chicago
Kirksville

Chicago, IL

 CDT

Kirksville, MO

 CDT

Airport information


A O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

B Kirksville Regional Airport
City: Kirksville, MO
Country: United States Flag of United States
IATA Code: IRK
ICAO Code: KIRK
Coordinates: 40°5′36″N, 92°32′41″W

Map

Flight map from Chicago to Kirksville.

Frequent Flyer Miles Calculator

Chicago (ORD) → Kirksville (IRK).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
275
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
275

Round trip?