Air Miles Calculator

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

Distance from St Louis to Chicago (St. Louis Lambert International Airport – O'Hare International Airport) is 258 miles / 415 kilometers / 224 nautical miles.

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).

Flight duration

Estimated flight time from St. Louis Lambert International Airport (STL) to O'Hare International Airport (ORD) is 59 minutes.

Time difference and current local times

There is no time difference between St Louis and Chicago.

Time Difference

St Louis
Chicago

St Louis, MO

 CST

Chicago, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 61 kg (135 pounds).

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 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

Map

St Louis to Chicago flight map.

Frequent Flyer Miles Calculator

St Louis (STL) → Chicago (ORD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
258
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
258

Round trip?