Air Miles Calculator

Distance between Chicago, IL (MDW) and San Antonio, TX (SAT)

Flight distance from Chicago to San Antonio (Chicago Midway International Airport – San Antonio International Airport) is 1036 miles / 1667 kilometers / 900 nautical miles. Estimated flight time is 2 hours 27 minutes.

Driving distance from Chicago (MDW) to San Antonio (SAT) is 1186 miles / 1908 kilometers and travel time by car is about 20 hours 44 minutes.

Map of flight path and driving directions from Chicago to San Antonio.

Shortest flight path between Chicago Midway International Airport (MDW) and San Antonio International Airport (SAT).

How far is San Antonio from Chicago?

There are several ways to calculate distances between Chicago and San Antonio. Here are two common 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 earth.

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).

Airport information


A Chicago Midway International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: MDW
ICAO Code: KMDW
Coordinates: 41°47′9″N, 87°45′8″W

B San Antonio International Airport
City: San Antonio, TX
Country: United States Flag of United States
IATA Code: SAT
ICAO Code: KSAT
Coordinates: 29°32′1″N, 98°28′11″W

Time difference and current local times

There is no time difference between Chicago and San Antonio.

Time Difference

Chicago, IL

 CDT

San Antonio, TX

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 153 kg (337 pounds).

Frequent Flyer Miles Calculator

Chicago (MDW) → San Antonio (SAT).

Distance:
1036
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1036

Round trip?