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).
Estimated flight time from Midway International Airport (MDW) to San Antonio International Airport (SAT) is 2 hours 27 minutes.
Time difference and current local times
There is no time difference between Chicago and San Antonio.
San Antonio, TX
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 143 kg (316 pounds).
Chicago to San Antonio flight map.
Frequent Flyer Miles Calculator
Chicago (MDW) → San Antonio (SAT).