Map of flight path and driving directions from Spokane to Harrison.
Shortest flight path between Spokane International Airport (GEG) and Boone County Airport (HRO).
How far is Harrison from Spokane?
There are several ways to calculate distances between Spokane and Harrison. Here are two common methods:Vincenty's formula (applied above)
- 1471.124 miles
- 2367.545 kilometers
- 1278.372 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
- 1468.845 miles
- 2363.877 kilometers
- 1276.391 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 Harrison is 2 hours. Harrison is 2 hours ahead of Spokane.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 178 kg (392 pounds).
Frequent Flyer Miles Calculator
Spokane (GEG) → Harrison (HRO).