How far is St Augustine, FL, from Ontario, CA?
The distance between Ontario (Ontario International Airport) and St Augustine (Northeast Florida Regional Airport) is 2136 miles / 3438 kilometers / 1856 nautical miles.
The driving distance from Ontario (ONT) to St Augustine (UST) is 2412 miles / 3881 kilometers, and travel time by car is about 42 hours 14 minutes.
Ontario International Airport – Northeast Florida Regional Airport
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Distance from Ontario to St Augustine
There are several ways to calculate the distance from Ontario to St Augustine. 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 Ontario to St Augustine?
The estimated flight time from Ontario International Airport to Northeast Florida Regional Airport is 4 hours and 32 minutes.
What is the time difference between Ontario and St Augustine?
Flight carbon footprint between Ontario International Airport (ONT) and Northeast Florida Regional Airport (UST)
On average, flying from Ontario to St Augustine 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 Ontario to St Augustine
See the map of the shortest flight path between Ontario International Airport (ONT) and Northeast Florida Regional Airport (UST).
Airport information
| Origin | Ontario International Airport |
|---|---|
| City: | Ontario, CA |
| Country: | United States  |
| IATA Code: | ONT |
| ICAO Code: | KONT |
| Coordinates: | 34°3′21″N, 117°36′3″W |
| Destination | Northeast Florida Regional Airport |
|---|---|
| City: | St Augustine, FL |
| Country: | United States |
| IATA Code: | UST |
| ICAO Code: | KSGJ |
| Coordinates: | 29°57′33″N, 81°20′23″W |