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How far is Fort Smith, AR, from Chicago, IL?

The distance between Chicago (Chicago Midway International Airport) and Fort Smith (Fort Smith Regional Airport) is 571 miles / 919 kilometers / 496 nautical miles.

The driving distance from Chicago (MDW) to Fort Smith (FSM) is 708 miles / 1139 kilometers, and travel time by car is about 13 hours 3 minutes.

Chicago Midway International Airport – Fort Smith Regional Airport

Distance arrow
571
Miles
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919
Kilometers
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496
Nautical miles

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Distance from Chicago to Fort Smith

There are several ways to calculate the distance from Chicago to Fort Smith. Here are two standard methods:

Vincenty's formula (applied above)
  • 570.785 miles
  • 918.590 kilometers
  • 495.999 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 570.831 miles
  • 918.664 kilometers
  • 496.039 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).

How long does it take to fly from Chicago to Fort Smith?

The estimated flight time from Chicago Midway International Airport to Fort Smith Regional Airport is 1 hour and 34 minutes.

What is the time difference between Chicago and Fort Smith?

There is no time difference between Chicago and Fort Smith.

Flight carbon footprint between Chicago Midway International Airport (MDW) and Fort Smith Regional Airport (FSM)

On average, flying from Chicago to Fort Smith generates about 109 kg of CO2 per passenger, and 109 kilograms equals 240 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Chicago to Fort Smith

See the map of the shortest flight path between Chicago Midway International Airport (MDW) and Fort Smith Regional Airport (FSM).

Airport information

Origin Chicago Midway International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: MDW
ICAO Code: KMDW
Coordinates: 41°47′9″N, 87°45′8″W
Destination 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