# How far is St Louis, MO, from Chicago, IL?

The distance between Chicago (Chicago Midway International Airport) and St Louis (St. Louis Lambert International Airport) is 251 miles / 404 kilometers / 218 nautical miles.

The driving distance from Chicago (MDW) to St Louis (STL) is 297 miles / 478 kilometers, and travel time by car is about 5 hours 33 minutes.

251
Miles
404
Kilometers
218
Nautical miles

## Distance from Chicago to St Louis

There are several ways to calculate the distance from Chicago to St Louis. 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 Chicago to St Louis?

The estimated flight time from Chicago Midway International Airport to St. Louis Lambert International Airport is 58 minutes.

## Flight carbon footprint between Chicago Midway International Airport (MDW) and St. Louis Lambert International Airport (STL)

On average, flying from Chicago to St Louis 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 Chicago to St Louis

See the map of the shortest flight path between Chicago Midway International Airport (MDW) and St. Louis Lambert International Airport (STL).

## Airport information

Origin 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
Destination 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