Air Miles Calculator

Distance between Oklahoma City, OK (OKC) and Champaign, IL (CMI)

Flight distance from Oklahoma City to Champaign (Will Rogers World Airport – University of Illinois Willard Airport) is 602 miles / 970 kilometers / 523 nautical miles. Estimated flight time is 1 hour 38 minutes.

Driving distance from Oklahoma City (OKC) to Champaign (CMI) is 677 miles / 1090 kilometers and travel time by car is about 11 hours 39 minutes.

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

Shortest flight path between Will Rogers World Airport (OKC) and University of Illinois Willard Airport (CMI).

How far is Champaign from Oklahoma City?

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

Vincenty's formula (applied above)
  • 602.431 miles
  • 969.519 kilometers
  • 523.498 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
  • 601.722 miles
  • 968.378 kilometers
  • 522.882 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 University of Illinois Willard Airport
City: Champaign, IL
Country: United States Flag of United States
IATA Code: CMI
ICAO Code: KCMI
Coordinates: 40°2′21″N, 88°16′41″W

Time difference and current local times

There is no time difference between Oklahoma City and Champaign.

Time Difference

Oklahoma City, OK

 CST

Champaign, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 113 kg (249 pounds).

Frequent Flyer Miles Calculator

Oklahoma City (OKC) → Champaign (CMI).

Distance:
602
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
602

Round trip?