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How far is Brownsville, TX, from Ontario, CA?

The distance between Ontario (Ontario International Airport) and Brownsville (Brownsville/South Padre Island International Airport) is 1330 miles / 2141 kilometers / 1156 nautical miles.

The driving distance from Ontario (ONT) to Brownsville (BRO) is 1594 miles / 2565 kilometers, and travel time by car is about 27 hours 31 minutes.

Ontario International Airport – Brownsville/South Padre Island International Airport

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1330
Miles
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2141
Kilometers
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1156
Nautical miles

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Distance from Ontario to Brownsville

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

Vincenty's formula (applied above)
  • 1330.393 miles
  • 2141.059 kilometers
  • 1156.080 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
  • 1328.990 miles
  • 2138.802 kilometers
  • 1154.861 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 Brownsville?

The estimated flight time from Ontario International Airport to Brownsville/South Padre Island International Airport is 3 hours and 1 minutes.

Flight carbon footprint between Ontario International Airport (ONT) and Brownsville/South Padre Island International Airport (BRO)

On average, flying from Ontario to Brownsville generates about 169 kg of CO2 per passenger, and 169 kilograms equals 372 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 Brownsville

See the map of the shortest flight path between Ontario International Airport (ONT) and Brownsville/South Padre Island International Airport (BRO).

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 Brownsville/South Padre Island International Airport
City: Brownsville, TX
Country: United States Flag of United States
IATA Code: BRO
ICAO Code: KBRO
Coordinates: 25°54′24″N, 97°25′33″W