How far is Chicago, IL, from St Louis, MO?
The distance between St Louis (St. Louis Lambert International Airport) and Chicago (Chicago Midway International Airport) is 251 miles / 404 kilometers / 218 nautical miles.
The driving distance from St Louis (STL) to Chicago (MDW) is 298 miles / 479 kilometers, and travel time by car is about 5 hours 37 minutes.
St. Louis Lambert International Airport – Chicago Midway International Airport
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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)- 251.083 miles
- 404.078 kilometers
- 218.185 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- 251.136 miles
- 404.164 kilometers
- 218.231 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 Midway International Airport is 58 minutes.
What is the time difference between St Louis and Chicago?
Flight carbon footprint between St. Louis Lambert International Airport (STL) and Chicago Midway International Airport (MDW)
On average, flying from St Louis to Chicago generates about 62 kg of CO2 per passenger, and 62 kilograms equals 137 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 Midway International Airport (MDW).
Airport information
| Origin | St. 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 |
| Destination | Chicago Midway International Airport |
|---|---|
| City: | Chicago, IL |
| Country: | United States |
| IATA Code: | MDW |
| ICAO Code: | KMDW |
| Coordinates: | 41°47′9″N, 87°45′8″W |
Airlines flying from St Louis (STL) to Chicago (MDW)
| AirTran Airways |
| Southwest Airlines |