Flight distance from Chicago to St Louis (Chicago O"Hare International Airport – St. Louis Lambert International Airport) is 258 miles / 415 kilometers / 224 nautical miles. Estimated flight time is 59 minutes.

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Driving distance from Chicago (ORD) to St Louis (STL) is 306 miles / 492 kilometers and travel time by car is about 5 hours 47 minutes.





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How far is St Louis from Chicago?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:

Vincenty"s formula (applied above)258.028 miles415.256 kilometers224.220 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 formula258.129 miles415.419 kilometers224.308 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).


Time difference and current local times

There is no time difference between Chicago and St Louis.

Chicago time to St Louis time converter

Time in Chicago: 00:00⇆Time in St Louis: 00:00


Carbon dioxide emissions

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

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

Shortest flight path between Chicago O"Hare International Airport (ORD) and St. Louis Lambert International Airport (STL).


Airport information

OriginChicago O"Hare International Airport
City:Chicago, IL
Country:United States
IATA Code:ORD
ICAO Code:KORD
Coordinates:41°58′42″N, 87°54′17″W
DestinationSt. Louis Lambert International Airport
City:St Louis, MO
Country:United States
IATA Code:STL
ICAO Code:KSTL
Coordinates:38°44′55″N, 90°22′12″W

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