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How far is Spokane, WA, from Casper, WY?

The distance between Casper (Casper–Natrona County International Airport) and Spokane (Spokane International Airport) is 629 miles / 1013 kilometers / 547 nautical miles.

The driving distance from Casper (CPR) to Spokane (GEG) is 829 miles / 1334 kilometers, and travel time by car is about 14 hours 14 minutes.

Casper–Natrona County International Airport – Spokane International Airport

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629
Miles
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1013
Kilometers
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547
Nautical miles

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Distance from Casper to Spokane

There are several ways to calculate the distance from Casper to Spokane. 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 Casper to Spokane?

The estimated flight time from Casper–Natrona County International Airport to Spokane International Airport is 1 hour and 41 minutes.

Flight carbon footprint between Casper–Natrona County International Airport (CPR) and Spokane International Airport (GEG)

On average, flying from Casper to Spokane 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 Casper to Spokane

See the map of the shortest flight path between Casper–Natrona County International Airport (CPR) and Spokane International Airport (GEG).

Airport information

Origin 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
Destination 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