How far is San Antonio, TX, from Chicago, IL?
The distance between Chicago (Chicago Midway International Airport) and San Antonio (San Antonio International Airport) is 1036 miles / 1667 kilometers / 900 nautical miles.
The driving distance from Chicago (MDW) to San Antonio (SAT) is 1218 miles / 1960 kilometers, and travel time by car is about 21 hours 54 minutes.
Chicago Midway International Airport – San Antonio International Airport
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Distance from Chicago to San Antonio
There are several ways to calculate the distance from Chicago to San Antonio. Here are two standard methods:
Vincenty's formula (applied above)- 1035.988 miles
- 1667.262 kilometers
- 900.249 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- 1036.705 miles
- 1668.415 kilometers
- 900.872 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 San Antonio?
The estimated flight time from Chicago Midway International Airport to San Antonio International Airport is 2 hours and 27 minutes.
What is the time difference between Chicago and San Antonio?
There is no time difference between Chicago and San Antonio.
Flight carbon footprint between Chicago Midway International Airport (MDW) and San Antonio International Airport (SAT)
On average, flying from Chicago to San Antonio generates about 153 kg of CO2 per passenger, and 153 kilograms equals 337 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 San Antonio
See the map of the shortest flight path between Chicago Midway International Airport (MDW) and San Antonio International Airport (SAT).
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 | San Antonio International Airport |
|---|---|
| City: | San Antonio, TX |
| Country: | United States |
| IATA Code: | SAT |
| ICAO Code: | KSAT |
| Coordinates: | 29°32′1″N, 98°28′11″W |
Airlines flying from Chicago (MDW) to San Antonio (SAT)
| AirTran Airways |
| Southwest Airlines |