Air Miles Calculator

Distance between Spokane, WA (GEG) and Grand Forks, ND (GFK)

Flight distance from Spokane to Grand Forks (Spokane International Airport – Grand Forks International Airport) is 945 miles / 1522 kilometers / 822 nautical miles. Estimated flight time is 2 hours 17 minutes.

Driving distance from Spokane (GEG) to Grand Forks (GFK) is 1230 miles / 1979 kilometers and travel time by car is about 19 hours 55 minutes.

Map of flight path and driving directions from Spokane to Grand Forks.

Shortest flight path between Spokane International Airport (GEG) and Grand Forks International Airport (GFK).

How far is Grand Forks from Spokane?

There are several ways to calculate distances between Spokane and Grand Forks. Here are two common methods:

Vincenty's formula (applied above)
  • 945.439 miles
  • 1521.536 kilometers
  • 821.564 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
  • 942.648 miles
  • 1517.046 kilometers
  • 819.139 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 Grand Forks International Airport
City: Grand Forks, ND
Country: United States Flag of United States
IATA Code: GFK
ICAO Code: KGFK
Coordinates: 47°56′57″N, 97°10′33″W

Time difference and current local times

The time difference between Spokane and Grand Forks is 2 hours. Grand Forks is 2 hours ahead of Spokane.

Time Difference

Spokane, WA

 PDT

Grand Forks, ND

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 147 kg (324 pounds).

Frequent Flyer Miles Calculator

Spokane (GEG) → Grand Forks (GFK).

Distance:
945
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
945

Round trip?