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)
- 278.852 miles
- 448.768 kilometers
- 242.315 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
- 278.271 miles
- 447.834 kilometers
- 241.811 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 Airport (PDX) is 1 hour 1 minutes.
Time difference and current local times
There is no time difference between Spokane and Portland.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 63 kg (140 pounds).
Spokane to Portland flight path
Shortest flight path between Spokane International Airport (GEG) and Portland International Airport (PDX).
Frequent Flyer Miles Calculator
Spokane (GEG) → Portland (PDX).