How far is Spokane, WA, from Ontario, CA?
The distance between Ontario (Ontario International Airport) and Spokane (Spokane International Airport) is 936 miles / 1506 kilometers / 813 nautical miles.
The driving distance from Ontario (ONT) to Spokane (GEG) is 1199 miles / 1930 kilometers, and travel time by car is about 23 hours 11 minutes.
Ontario International Airport – Spokane International Airport
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Distance from Ontario to Spokane
There are several ways to calculate the distance from Ontario to Spokane. Here are two standard methods:
Vincenty's formula (applied above)- 935.973 miles
- 1506.303 kilometers
- 813.338 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- 937.183 miles
- 1508.249 kilometers
- 814.389 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 Spokane?
The estimated flight time from Ontario International Airport to Spokane International Airport is 2 hours and 16 minutes.
What is the time difference between Ontario and Spokane?
Flight carbon footprint between Ontario International Airport (ONT) and Spokane International Airport (GEG)
On average, flying from Ontario to Spokane generates about 146 kg of CO2 per passenger, and 146 kilograms equals 323 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 Spokane
See the map of the shortest flight path between Ontario International Airport (ONT) and Spokane International Airport (GEG).
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 | Spokane International Airport |
|---|---|
| City: | Spokane, WA |
| Country: | United States |
| IATA Code: | GEG |
| ICAO Code: | KGEG |
| Coordinates: | 47°37′11″N, 117°32′2″W |