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

The distance between Fort Smith (Fort Smith Regional Airport) and Chicago (Chicago O'Hare International Airport) is 576 miles / 927 kilometers / 500 nautical miles.

The driving distance from Fort Smith (FSM) to Chicago (ORD) is 718 miles / 1155 kilometers, and travel time by car is about 13 hours 14 minutes.

Fort Smith Regional Airport – Chicago O'Hare International Airport

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576
Miles
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927
Kilometers
Distance arrow
500
Nautical miles

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Distance from Fort Smith to Chicago

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

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 – the shortest distance between two points).

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

The estimated flight time from Fort Smith Regional Airport to Chicago O'Hare International Airport is 1 hour and 35 minutes.

What is the time difference between Fort Smith and Chicago?

There is no time difference between Fort Smith and Chicago.

Flight carbon footprint between Fort Smith Regional Airport (FSM) and Chicago O'Hare International Airport (ORD)

On average, flying from Fort Smith to Chicago generates about 110 kg of CO2 per passenger, and 110 kilograms equals 242 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Fort Smith Regional Airport (FSM) and Chicago O'Hare International Airport (ORD).

Airport information

Origin 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
Destination Chicago 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