Map of flight path and driving directions from Spokane to Rapid City.
Shortest flight path between Spokane International Airport (GEG) and Rapid City Regional Airport (RAP).
How far is Rapid City from Spokane?
There are several ways to calculate distances between Spokane and Rapid City. Here are two common methods:Vincenty's formula (applied above)
- 739.894 miles
- 1190.744 kilometers
- 642.950 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
- 738.063 miles
- 1187.798 kilometers
- 641.359 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 Rapid City is 1 hour. Rapid City is 1 hour ahead of Spokane.
Rapid City, SD
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 129 kg (284 pounds).
Frequent Flyer Miles Calculator
Spokane (GEG) → Rapid City (RAP).