Air Miles Calculator

Distance between Oklahoma City, OK (OKC) and Kirksville, MO (IRK)

Flight distance from Oklahoma City to Kirksville (Will Rogers World Airport – Kirksville Regional Airport) is 426 miles / 686 kilometers / 370 nautical miles. Estimated flight time is 1 hour 18 minutes.

Driving distance from Oklahoma City (OKC) to Kirksville (IRK) is 531 miles / 855 kilometers and travel time by car is about 9 hours 5 minutes.

Map of flight path and driving directions from Oklahoma City to Kirksville.

Shortest flight path between Will Rogers World Airport (OKC) and Kirksville Regional Airport (IRK).

How far is Kirksville from Oklahoma City?

There are several ways to calculate distances between Oklahoma City and Kirksville. Here are two common methods:

Vincenty's formula (applied above)
  • 426.164 miles
  • 685.844 kilometers
  • 370.326 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
  • 426.191 miles
  • 685.887 kilometers
  • 370.349 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).

Airport information


A Will Rogers World Airport
City: Oklahoma City, OK
Country: United States Flag of United States
IATA Code: OKC
ICAO Code: KOKC
Coordinates: 35°23′35″N, 97°36′2″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

Time difference and current local times

There is no time difference between Oklahoma City and Kirksville.

Time Difference

Oklahoma City, OK

 CST

Kirksville, MO

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 88 kg (193 pounds).

Frequent Flyer Miles Calculator

Oklahoma City (OKC) → Kirksville (IRK).

Distance:
426
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
426

Round trip?