Air Miles Calculator

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

Distance from Spokane to Ontario (Spokane International Airport – Ontario International Airport) is 936 miles / 1506 kilometers / 813 nautical miles.

How far is Ontario from Spokane?

There are several ways to calculate distances between Spokane and Ontario. 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 International Airport (GEG) to Ontario International Airport (ONT) is 2 hours 16 minutes.

Time difference and current local times

There is no time difference between Spokane and Ontario.

Time Difference

Spokane
Ontario

Spokane, WA

 PST

Ontario, CA

 PST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 146 kg (323 pounds).

Airport information


A 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

B 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

Map

Spokane to Ontario flight map.

Frequent Flyer Miles Calculator

Spokane (GEG) → Ontario (ONT).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
936
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
936

Round trip?