Air Miles Calculator

Distance between Casper, WY (CPR) and Grayling, AK (KGX)

Flight distance from Casper to Grayling (Casper–Natrona County International Airport – Grayling Airport) is 2527 miles / 4066 kilometers / 2196 nautical miles. Estimated flight time is 5 hours 17 minutes.

Driving distance from Casper (CPR) to Grayling (KGX) is 3382 miles / 5442 kilometers and travel time by car is about 111 hours 9 minutes.

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

Shortest flight path between Casper–Natrona County International Airport (CPR) and Grayling Airport (KGX).

How far is Grayling from Casper?

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

Vincenty's formula (applied above)
  • 2526.693 miles
  • 4066.318 kilometers
  • 2195.636 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
  • 2520.457 miles
  • 4056.283 kilometers
  • 2190.218 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 Grayling Airport
City: Grayling, AK
Country: United States Flag of United States
IATA Code: KGX
ICAO Code: PAGX
Coordinates: 62°53′42″N, 160°3′58″W

Time difference and current local times

The time difference between Casper and Grayling is 2 hours. Grayling is 2 hours behind Casper.

Time Difference

Casper, WY

 MST

Grayling, AK

 AKST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 278 kg (614 pounds).

Frequent Flyer Miles Calculator

Casper (CPR) → Grayling (KGX).

Distance:
2527
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2527

Round trip?