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Distance between Spokane, WA (GEG) and Ontario, CA (ONT)

Flight distance from Spokane to Ontario (Spokane International Airport – Ontario International Airport) is 936 miles / 1506 kilometers / 813 nautical miles. Estimated flight time is 2 hours 16 minutes.

Driving distance from Spokane (GEG) to Ontario (ONT) is 1376 miles / 2214 kilometers and travel time by car is about 23 hours 46 minutes.

Spokane – Ontario

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936
Miles
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1506
Kilometers
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813
Nautical miles

How far is Ontario from Spokane?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common 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 earth.

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).

Flight Duration

Estimated flight time from Spokane to Ontario is 2 hours 16 minutes.

Time difference and current local times

There is no time difference between Spokane and Ontario.

Spokane time to Ontario time converter

Time in Spokane: 00:00 ⇆ Time in Ontario: 00:00

Current local times

Spokane, WA

 PDT

Ontario, CA

 PDT

Carbon dioxide emissions

On average flying from Spokane to Ontario generates about 146 kg of CO2 per passenger, 146 kilograms is equal to 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

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 Flag of 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 Flag of United States
IATA Code: ONT
ICAO Code: KONT
Coordinates: 34°3′21″N, 117°36′3″W