How far is Friday Harbor from Spokane?
There are several ways to calculate distances between Spokane and Friday Harbor. Here are two common methods:Vincenty's formula (applied above)
- 261.687 miles
- 421.144 kilometers
- 227.400 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
- 260.954 miles
- 419.966 kilometers
- 226.763 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 Friday Harbor Airport (FRD) is 59 minutes.
Time difference and current local times
There is no time difference between Spokane and Friday Harbor.
Friday Harbor, WA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 61 kg (135 pounds).
Spokane to Friday Harbor flight map.
Frequent Flyer Miles Calculator
Spokane (GEG) → Friday Harbor (FRD).