How far is Portland from Spokane?
There are several ways to calculate distances between Spokane and Portland. Here are two common methods:Vincenty's formula (applied above)
- 2268.742 miles
- 3651.186 kilometers
- 1971.483 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
- 2262.442 miles
- 3641.048 kilometers
- 1966.009 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).
Estimated flight time from Spokane International Airport (GEG) to Portland International Jetport (PWM) is 4 hours 47 minutes.
Time difference and current local times
The time difference between Spokane and Portland is 3 hours. Portland is 3 hours ahead of Spokane.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 252 kg (556 pounds).
Spokane to Portland flight map.
Frequent Flyer Miles Calculator
Spokane (GEG) → Portland (PWM).