Air Miles Calculator

Distance between Spokane, WA (GEG) and Rapid City, SD (RAP)

Flight distance from Spokane to Rapid City (Spokane International Airport – Rapid City Regional Airport) is 740 miles / 1191 kilometers / 643 nautical miles. Estimated flight time is 1 hour 54 minutes.

Driving distance from Spokane (GEG) to Rapid City (RAP) is 929 miles / 1495 kilometers and travel time by car is about 14 hours 58 minutes.

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).

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 Rapid City Regional Airport
City: Rapid City, SD
Country: United States Flag of United States
IATA Code: RAP
ICAO Code: KRAP
Coordinates: 44°2′43″N, 103°3′25″W

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.

Time Difference

Spokane, WA

 PDT

Rapid City, SD

 MDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 129 kg (284 pounds).

Frequent Flyer Miles Calculator

Spokane (GEG) → Rapid City (RAP).

Distance:
740
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
740

Round trip?