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How far is Chicago, IL, from St Louis, MO?

The distance between St Louis (St. Louis Lambert International Airport) and Chicago (Chicago O'Hare International Airport) is 258 miles / 415 kilometers / 224 nautical miles.

The driving distance from St Louis (STL) to Chicago (ORD) is 308 miles / 496 kilometers, and travel time by car is about 5 hours 51 minutes.

St. Louis Lambert International Airport – Chicago O'Hare International Airport

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258
Miles
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415
Kilometers
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224
Nautical miles

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Distance from St Louis to Chicago

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

Vincenty's formula (applied above)
  • 258.028 miles
  • 415.256 kilometers
  • 224.220 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
  • 258.129 miles
  • 415.419 kilometers
  • 224.308 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 St Louis to Chicago?

The estimated flight time from St. Louis Lambert International Airport to Chicago O'Hare International Airport is 59 minutes.

What is the time difference between St Louis and Chicago?

There is no time difference between St Louis and Chicago.

Flight carbon footprint between St. Louis Lambert International Airport (STL) and Chicago O'Hare International Airport (ORD)

On average, flying from St Louis to Chicago generates about 63 kg of CO2 per passenger, and 63 kilograms equals 139 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from St Louis to Chicago

See the map of the shortest flight path between St. Louis Lambert International Airport (STL) and Chicago O'Hare International Airport (ORD).

Airport information

Origin St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″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

Airlines flying from St Louis (STL) to Chicago (ORD)

American Airlines
United Airlines