Map of flight path and driving directions from Champaign to Fort Smith.
Shortest flight path between University of Illinois Willard Airport (CMI) and Fort Smith Regional Airport (FSM).
How far is Fort Smith from Champaign?
There are several ways to calculate distances between Champaign and Fort Smith. Here are two common methods:Vincenty's formula (applied above)
- 465.135 miles
- 748.562 kilometers
- 404.191 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
- 464.987 miles
- 748.324 kilometers
- 404.062 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).
Time difference and current local times
There is no time difference between Champaign and Fort Smith.
Fort Smith, AR
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 93 kg (206 pounds).
Frequent Flyer Miles Calculator
Champaign (CMI) → Fort Smith (FSM).