Search by airport name, city or IATA airport code.
St Louis (STL) - Chicago (ORD)
Calculations with different methods
- 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).
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.
St Louis, MO
Flight map from St Louis to Chicago.
Frequent Flyer Miles Calculator
St Louis (STL) → Chicago (ORD).