How far is Casper, WY, from Spokane, WA?
The distance between Spokane (Spokane International Airport) and Casper (Casper–Natrona County International Airport) is 629 miles / 1013 kilometers / 547 nautical miles.
The driving distance from Spokane (GEG) to Casper (CPR) is 828 miles / 1332 kilometers, and travel time by car is about 14 hours 15 minutes.
Spokane International Airport – Casper–Natrona County International Airport
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Distance from Spokane to Casper
There are several ways to calculate the distance from Spokane to Casper. Here are two standard 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 planet.
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).
How long does it take to fly from Spokane to Casper?
The estimated flight time from Spokane International Airport to Casper–Natrona County International Airport is 1 hour and 41 minutes.
What is the time difference between Spokane and Casper?
The time difference between Spokane and Casper is 1 hour. Casper is 1 hour ahead of Spokane.
Flight carbon footprint between Spokane International Airport (GEG) and Casper–Natrona County International Airport (CPR)
On average, flying from Spokane to Casper generates about 116 kg of CO2 per passenger, and 116 kilograms equals 257 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Spokane to Casper
See the map of the shortest flight path between Spokane International Airport (GEG) and Casper–Natrona County International Airport (CPR).
Airport information
| Origin | Spokane International Airport |
|---|---|
| City: | Spokane, WA |
| Country: | United States  |
| IATA Code: | GEG |
| ICAO Code: | KGEG |
| Coordinates: | 47°37′11″N, 117°32′2″W |
| Destination | Casper–Natrona County International Airport |
|---|---|
| City: | Casper, WY |
| Country: | United States |
| IATA Code: | CPR |
| ICAO Code: | KCPR |
| Coordinates: | 42°54′28″N, 106°27′50″W |