Map of flight path and driving directions from Houston to Champaign.
Shortest flight path between Houston George Bush Intercontinental Airport (IAH) and University of Illinois Willard Airport (CMI).
How far is Champaign from Houston?
There are several ways to calculate distances between Houston and Champaign. Here are two common methods:Vincenty's formula (applied above)
- 799.895 miles
- 1287.307 kilometers
- 695.090 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
- 800.827 miles
- 1288.806 kilometers
- 695.899 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).
|A||Houston George Bush Intercontinental Airport|
|B||University of Illinois Willard Airport|
Time difference and current local times
There is no time difference between Houston and Champaign.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 135 kg (297 pounds).
Frequent Flyer Miles Calculator
Houston (IAH) → Champaign (CMI).