Air Miles Calculator

Distance between St Louis, MO (STL) and Champaign, IL (CMI)

Flight distance from St Louis to Champaign (St. Louis Lambert International Airport – University of Illinois Willard Airport) is 143 miles / 230 kilometers / 124 nautical miles. Estimated flight time is 46 minutes.

Driving distance from St Louis (STL) to Champaign (CMI) is 180 miles / 290 kilometers and travel time by car is about 3 hours 13 minutes.

Map of flight path and driving directions from St Louis to Champaign.

Shortest flight path between St. Louis Lambert International Airport (STL) and University of Illinois Willard Airport (CMI).

How far is Champaign from St Louis?

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

Vincenty's formula (applied above)
  • 143.045 miles
  • 230.209 kilometers
  • 124.303 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
  • 142.915 miles
  • 230.000 kilometers
  • 124.190 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 St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″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 St Louis and Champaign.

Time Difference

St Louis, MO

 CST

Champaign, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 46 kg (102 pounds).

Frequent Flyer Miles Calculator

St Louis (STL) → Champaign (CMI).

Distance:
143
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
143

Round trip?