Air Miles Calculator

Distance between Champaign, IL (CMI) and Fort Smith, AR (FSM)

Flight distance from Champaign to Fort Smith (University of Illinois Willard Airport – Fort Smith Regional Airport) is 465 miles / 749 kilometers / 404 nautical miles. Estimated flight time is 1 hour 22 minutes.

Driving distance from Champaign (CMI) to Fort Smith (FSM) is 587 miles / 944 kilometers and travel time by car is about 10 hours 16 minutes.

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).

Airport information


A 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

B Fort Smith Regional Airport
City: Fort Smith, AR
Country: United States Flag of United States
IATA Code: FSM
ICAO Code: KFSM
Coordinates: 35°20′11″N, 94°22′2″W

Time difference and current local times

There is no time difference between Champaign and Fort Smith.

Time Difference

Champaign, IL

 CDT

Fort Smith, AR

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 93 kg (206 pounds).

Frequent Flyer Miles Calculator

Champaign (CMI) → Fort Smith (FSM).

Distance:
465
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
465

Round trip?