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How far is Ontario, CA, from St Augustine, FL?

The distance between St Augustine (Northeast Florida Regional Airport) and Ontario (Ontario International Airport) is 2136 miles / 3438 kilometers / 1856 nautical miles.

The driving distance from St Augustine (UST) to Ontario (ONT) is 2411 miles / 3880 kilometers, and travel time by car is about 42 hours 12 minutes.

Northeast Florida Regional Airport – Ontario International Airport

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2136
Miles
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3438
Kilometers
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1856
Nautical miles

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Distance from St Augustine to Ontario

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

Vincenty's formula (applied above)
  • 2136.384 miles
  • 3438.177 kilometers
  • 1856.467 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
  • 2132.171 miles
  • 3431.397 kilometers
  • 1852.806 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 St Augustine to Ontario?

The estimated flight time from Northeast Florida Regional Airport to Ontario International Airport is 4 hours and 32 minutes.

Flight carbon footprint between Northeast Florida Regional Airport (UST) and Ontario International Airport (ONT)

On average, flying from St Augustine to Ontario generates about 233 kg of CO2 per passenger, and 233 kilograms equals 514 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from St Augustine to Ontario

See the map of the shortest flight path between Northeast Florida Regional Airport (UST) and Ontario International Airport (ONT).

Airport information

Origin 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
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