Air Miles Calculator

Distance between Casper, WY (CPR) and Spokane, WA (GEG)

Flight distance from Casper to Spokane (Casper–Natrona County International Airport – Spokane International Airport) is 629 miles / 1013 kilometers / 547 nautical miles. Estimated flight time is 1 hour 41 minutes.

Driving distance from Casper (CPR) to Spokane (GEG) is 828 miles / 1333 kilometers and travel time by car is about 13 hours 23 minutes.

Map of flight path and driving directions from Casper to Spokane.

Shortest flight path between Casper–Natrona County International Airport (CPR) and Spokane International Airport (GEG).

How far is Spokane from Casper?

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

Vincenty's formula (applied above)
  • 629.445 miles
  • 1012.993 kilometers
  • 546.973 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
  • 628.240 miles
  • 1011.054 kilometers
  • 545.926 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 Casper–Natrona County International Airport
City: Casper, WY
Country: United States Flag of United States
IATA Code: CPR
ICAO Code: KCPR
Coordinates: 42°54′28″N, 106°27′50″W

B 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

Time difference and current local times

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

Time Difference

Casper, WY

 MST

Spokane, WA

 PST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 116 kg (257 pounds).

Frequent Flyer Miles Calculator

Casper (CPR) → Spokane (GEG).

Distance:
629
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
629

Round trip?