How far is Grand Junction, CO, from Ontario, CA?
The distance between Ontario (Ontario International Airport) and Grand Junction (Grand Junction Regional Airport) is 613 miles / 987 kilometers / 533 nautical miles.
The driving distance from Ontario (ONT) to Grand Junction (GJT) is 738 miles / 1188 kilometers, and travel time by car is about 12 hours 36 minutes.
Ontario International Airport – Grand Junction Regional Airport
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Distance from Ontario to Grand Junction
There are several ways to calculate the distance from Ontario to Grand Junction. Here are two standard methods:
Vincenty's formula (applied above)- 613.186 miles
- 986.827 kilometers
- 532.844 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- 612.636 miles
- 985.942 kilometers
- 532.366 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 Grand Junction?
The estimated flight time from Ontario International Airport to Grand Junction Regional Airport is 1 hour and 39 minutes.
What is the time difference between Ontario and Grand Junction?
Flight carbon footprint between Ontario International Airport (ONT) and Grand Junction Regional Airport (GJT)
On average, flying from Ontario to Grand Junction generates about 114 kg of CO2 per passenger, and 114 kilograms equals 252 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 Grand Junction
See the map of the shortest flight path between Ontario International Airport (ONT) and Grand Junction Regional Airport (GJT).
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 | Grand Junction Regional Airport |
|---|---|
| City: | Grand Junction, CO |
| Country: | United States |
| IATA Code: | GJT |
| ICAO Code: | KGJT |
| Coordinates: | 39°7′20″N, 108°31′37″W |