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How far is San Diego, CA, from San Antonio, TX?

The distance between San Antonio (San Antonio International Airport) and San Diego (San Diego International Airport) is 1129 miles / 1818 kilometers / 981 nautical miles.

The driving distance from San Antonio (SAT) to San Diego (SAN) is 1276 miles / 2054 kilometers, and travel time by car is about 21 hours 33 minutes.

San Antonio International Airport – San Diego International Airport

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1129
Miles
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1818
Kilometers
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981
Nautical miles

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Distance from San Antonio to San Diego

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

Vincenty's formula (applied above)
  • 1129.462 miles
  • 1817.693 kilometers
  • 981.476 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
  • 1127.402 miles
  • 1814.378 kilometers
  • 979.686 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 San Diego?

The estimated flight time from San Antonio International Airport to San Diego International Airport is 2 hours and 38 minutes.

Flight carbon footprint between San Antonio International Airport (SAT) and San Diego International Airport (SAN)

On average, flying from San Antonio to San Diego generates about 158 kg of CO2 per passenger, and 158 kilograms equals 349 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 San Diego

See the map of the shortest flight path between San Antonio International Airport (SAT) and San Diego International Airport (SAN).

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 San Diego International Airport
City: San Diego, CA
Country: United States Flag of United States
IATA Code: SAN
ICAO Code: KSAN
Coordinates: 32°44′0″N, 117°11′24″W

Airlines flying from San Antonio (SAT) to San Diego (SAN)

Southwest Airlines