How far is Ontario, CA, from Spokane, WA?
The distance between Spokane (Spokane International Airport) and Ontario (Ontario International Airport) is 936 miles / 1506 kilometers / 813 nautical miles.
The driving distance from Spokane (GEG) to Ontario (ONT) is 1376 miles / 2214 kilometers, and travel time by car is about 23 hours 7 minutes.
Spokane International Airport – Ontario International Airport
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Distance from Spokane to Ontario
There are several ways to calculate the distance from Spokane to Ontario. 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 Spokane to Ontario?
The estimated flight time from Spokane International Airport to Ontario International Airport is 2 hours and 16 minutes.
What is the time difference between Spokane and Ontario?
Flight carbon footprint between Spokane International Airport (GEG) and Ontario International Airport (ONT)
On average, flying from Spokane to Ontario 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 Spokane to Ontario
See the map of the shortest flight path between Spokane International Airport (GEG) and Ontario International Airport (ONT).
Airport information
| Origin | Spokane International Airport |
|---|---|
| City: | Spokane, WA |
| Country: | United States  |
| IATA Code: | GEG |
| ICAO Code: | KGEG |
| Coordinates: | 47°37′11″N, 117°32′2″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 |