Map of flight path and driving directions from Spokane to Petersburg.
Shortest flight path between Spokane International Airport (GEG) and Petersburg James A. Johnson Airport (PSG).
How far is Petersburg from Spokane?
There are several ways to calculate distances between Spokane and Petersburg. Here are two common methods:Vincenty's formula (applied above)
- 907.938 miles
- 1461.185 kilometers
- 788.977 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
- 906.153 miles
- 1458.312 kilometers
- 787.426 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).
Time difference and current local times
The time difference between Spokane and Petersburg is 1 hour. Petersburg is 1 hour behind Spokane.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 144 kg (318 pounds).
Frequent Flyer Miles Calculator
Spokane (GEG) → Petersburg (PSG).