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

The distance between Ontario (Ontario International Airport) and San Antonio (San Antonio International Airport) is 1166 miles / 1877 kilometers / 1013 nautical miles.

The driving distance from Ontario (ONT) to San Antonio (SAT) is 1314 miles / 2115 kilometers, and travel time by car is about 22 hours 16 minutes.

Ontario International Airport – San Antonio International Airport

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1166
Miles
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1877
Kilometers
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1013
Nautical miles

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Distance from Ontario to San Antonio

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

Vincenty's formula (applied above)
  • 1166.093 miles
  • 1876.644 kilometers
  • 1013.307 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
  • 1164.112 miles
  • 1873.457 kilometers
  • 1011.586 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 Ontario to San Antonio?

The estimated flight time from Ontario International Airport to San Antonio International Airport is 2 hours and 42 minutes.

Flight carbon footprint between Ontario International Airport (ONT) and San Antonio International Airport (SAT)

On average, flying from Ontario to San Antonio generates about 160 kg of CO2 per passenger, and 160 kilograms equals 353 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Ontario to San Antonio

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

Airport information

Origin Ontario International Airport
City: Ontario, CA
Country: United States Flag of United States
IATA Code: ONT
ICAO Code: KONT
Coordinates: 34°3′21″N, 117°36′3″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