Air Miles Calculator

Distance between St Louis, MO (STL) and Chicago, IL (ORD)

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

Driving distance from St Louis (STL) to Chicago (ORD) is 308 miles / 496 kilometers and travel time by car is about 5 hours 30 minutes.

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

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

How far is Chicago from St Louis?

There are several ways to calculate distances between St Louis and Chicago. Here are two common 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 earth.

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).

Airport information


A 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

B 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

Time difference and current local times

There is no time difference between St Louis and Chicago.

Time Difference

St Louis, MO

 CDT

Chicago, IL

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 63 kg (139 pounds).

Frequent Flyer Miles Calculator

St Louis (STL) → Chicago (ORD).

Distance:
258
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
258

Round trip?