Air Miles Calculator

Distance between Houston, TX (IAH) and Champaign, IL (CMI)

Flight distance from Houston to Champaign (Houston George Bush Intercontinental Airport – University of Illinois Willard Airport) is 800 miles / 1287 kilometers / 695 nautical miles. Estimated flight time is 2 hours 0 minutes.

Driving distance from Houston (IAH) to Champaign (CMI) is 926 miles / 1491 kilometers and travel time by car is about 16 hours 24 minutes.

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).

Airport information


A Houston George Bush Intercontinental Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: IAH
ICAO Code: KIAH
Coordinates: 29°59′3″N, 95°20′29″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 Houston and Champaign.

Time Difference

Houston, TX

 CST

Champaign, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 135 kg (297 pounds).

Frequent Flyer Miles Calculator

Houston (IAH) → Champaign (CMI).

Distance:
800
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
800

Round trip?