Air Miles Calculator

Distance between Chicago, IL (ORD) and Fort Smith, AR (FSM)

Distance from Chicago to Fort Smith (Fort Smith Regional Airport – O'Hare International Airport) is 576 miles / 927 kilometers / 500 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 575.869 miles
  • 926.772 kilometers
  • 500.417 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
  • 575.969 miles
  • 926.932 kilometers
  • 500.503 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).

Flight duration

Estimated flight time from O'Hare International Airport (ORD) to Fort Smith Regional Airport (FSM) is 1 hour 35 minutes.

Time difference and current local times

There is no time difference between Chicago and Fort Smith.

Time Difference

Chicago
Fort Smith

Chicago, IL

 CDT

Fort Smith, AR

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 100 kg (220 pounds).

Airport information


A O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″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

Map

Chicago to Fort Smith flight map.

Frequent Flyer Miles Calculator

Chicago (ORD) → Fort Smith (FSM).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
576
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
576

Round trip?