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

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

The driving distance from San Antonio (SAT) to St Augustine (UST) is 1103 miles / 1775 kilometers, and travel time by car is about 20 hours 9 minutes.

San Antonio International Airport – Northeast Florida Regional 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 San Antonio to St Augustine

There are several ways to calculate the distance from San Antonio to St Augustine. 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 San Antonio to St Augustine?

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

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

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

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

Airport information

Origin 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
Destination 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