How far is Ontario, CA, from St George, UT?
The distance between St George (St. George Municipal Airport) and Ontario (Ontario International Airport) is 309 miles / 497 kilometers / 268 nautical miles.
The driving distance from St George (SGU) to Ontario (ONT) is 353 miles / 568 kilometers, and travel time by car is about 6 hours 27 minutes.
St. George Municipal Airport – Ontario International Airport
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Distance from St George to Ontario
There are several ways to calculate the distance from St George to Ontario. Here are two standard methods:
Vincenty's formula (applied above)- 308.716 miles
- 496.830 kilometers
- 268.267 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- 308.631 miles
- 496.694 kilometers
- 268.193 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 George to Ontario?
The estimated flight time from St. George Municipal Airport to Ontario International Airport is 1 hour and 5 minutes.
What is the time difference between St George and Ontario?
The time difference between St George and Ontario is 1 hour. Ontario is 1 hour behind St George.
Flight carbon footprint between St. George Municipal Airport (SGU) and Ontario International Airport (ONT)
On average, flying from St George to Ontario generates about 70 kg of CO2 per passenger, and 70 kilograms equals 155 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 George to Ontario
See the map of the shortest flight path between St. George Municipal Airport (SGU) and Ontario International Airport (ONT).
Airport information
| Origin | St. George Municipal Airport |
|---|---|
| City: | St George, UT |
| Country: | United States  |
| IATA Code: | SGU |
| ICAO Code: | KSGU |
| Coordinates: | 37°2′11″N, 113°30′37″W |
| Destination | Ontario International Airport |
|---|---|
| City: | Ontario, CA |
| Country: | United States |
| IATA Code: | ONT |
| ICAO Code: | KONT |
| Coordinates: | 34°3′21″N, 117°36′3″W |