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How far is San Antonio, TX, from St Louis, MO?

The distance between St Louis (St. Louis Lambert International Airport) and San Antonio (San Antonio International Airport) is 786 miles / 1265 kilometers / 683 nautical miles.

The driving distance from St Louis (STL) to San Antonio (SAT) is 900 miles / 1449 kilometers, and travel time by car is about 16 hours 42 minutes.

St. Louis Lambert International Airport – San Antonio International Airport

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786
Miles
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1265
Kilometers
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683
Nautical miles

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Distance from St Louis to San Antonio

There are several ways to calculate the distance from St Louis to San Antonio. Here are two standard methods:

Vincenty's formula (applied above)
  • 785.927 miles
  • 1264.827 kilometers
  • 682.952 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
  • 786.584 miles
  • 1265.883 kilometers
  • 683.522 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 San Antonio?

The estimated flight time from St. Louis Lambert International Airport to San Antonio International Airport is 1 hour and 59 minutes.

What is the time difference between St Louis and San Antonio?

There is no time difference between St Louis and San Antonio.

Flight carbon footprint between St. Louis Lambert International Airport (STL) and San Antonio International Airport (SAT)

On average, flying from St Louis to San Antonio generates about 133 kg of CO2 per passenger, and 133 kilograms equals 294 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 San Antonio

See the map of the shortest flight path between St. Louis Lambert International Airport (STL) and San Antonio International Airport (SAT).

Airport information

Origin St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″W
Destination 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

Airlines flying from St Louis (STL) to San Antonio (SAT)

AirTran Airways
Southwest Airlines