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How far is San Antonio, TX, from St Augustine, FL?

The distance between St Augustine (Northeast Florida Regional Airport) and San Antonio (San Antonio International Airport) is 1029 miles / 1656 kilometers / 894 nautical miles.

The driving distance from St Augustine (UST) to San Antonio (SAT) is 1103 miles / 1775 kilometers, and travel time by car is about 20 hours 8 minutes.

Northeast Florida Regional Airport – San Antonio International Airport

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1029
Miles
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1656
Kilometers
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894
Nautical miles

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Distance from St Augustine to San Antonio

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

Vincenty's formula (applied above)
  • 1029.072 miles
  • 1656.131 kilometers
  • 894.239 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
  • 1027.079 miles
  • 1652.923 kilometers
  • 892.507 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 Augustine to San Antonio?

The estimated flight time from Northeast Florida Regional Airport to San Antonio International Airport is 2 hours and 26 minutes.

Flight carbon footprint between Northeast Florida Regional Airport (UST) and San Antonio International Airport (SAT)

On average, flying from St Augustine 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 St Augustine to San Antonio

See the map of the shortest flight path between Northeast Florida Regional Airport (UST) and San Antonio International Airport (SAT).

Airport information

Origin Northeast Florida Regional Airport
City: St Augustine, FL
Country: United States Flag of United States
IATA Code: UST
ICAO Code: KSGJ
Coordinates: 29°57′33″N, 81°20′23″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