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

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

The driving distance from San Antonio (SAT) to Ontario (ONT) is 1313 miles / 2113 kilometers, and travel time by car is about 22 hours 15 minutes.

San Antonio International Airport – Ontario 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 San Antonio to Ontario

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

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

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

On average, flying from San Antonio to Ontario 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 San Antonio to Ontario

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

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 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