Air Miles Calculator

Distance between Spokane, WA (GEG) and Petersburg, AK (PSG)

Flight distance from Spokane to Petersburg (Spokane International Airport – Petersburg James A. Johnson Airport) is 908 miles / 1461 kilometers / 789 nautical miles. Estimated flight time is 2 hours 13 minutes.

Driving distance from Spokane (GEG) to Petersburg (PSG) is 1371 miles / 2206 kilometers and travel time by car is about 36 hours 46 minutes.

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).

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 Petersburg James A. Johnson Airport
City: Petersburg, AK
Country: United States Flag of United States
IATA Code: PSG
ICAO Code: PAPG
Coordinates: 56°48′6″N, 132°56′42″W

Time difference and current local times

The time difference between Spokane and Petersburg is 1 hour. Petersburg is 1 hour behind Spokane.

Time Difference

Spokane, WA

 PST

Petersburg, AK

 AKST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 144 kg (318 pounds).

Frequent Flyer Miles Calculator

Spokane (GEG) → Petersburg (PSG).

Distance:
908
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
908

Round trip?