# Distance between Casper, WY (CPR) and McGrath, AK (MCG)

Flight distance from Casper to McGrath (Casper–Natrona County International Airport – McGrath Airport) is 2389 miles / 3844 kilometers / 2076 nautical miles. Estimated flight time is 5 hours 1 minutes.

Driving distance from Casper (CPR) to McGrath (MCG) is 3013 miles / 4849 kilometers and travel time by car is about 57 hours 18 minutes.

## Map of flight path and driving directions from Casper to McGrath.

Shortest flight path between Casper–Natrona County International Airport (CPR) and McGrath Airport (MCG).

## How far is McGrath from Casper?

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

Vincenty's formula (applied above)
• 2388.560 miles
• 3844.015 kilometers
• 2075.602 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
• 2382.876 miles
• 3834.866 kilometers
• 2070.662 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
IATA Code: CPR
ICAO Code: KCPR
Coordinates: 42°54′28″N, 106°27′50″W

B McGrath Airport
City: McGrath, AK
Country: United States
IATA Code: MCG
ICAO Code: PAMC
Coordinates: 62°57′10″N, 155°36′21″W

## Time difference and current local times

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

MDT

AKDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 262 kg (578 pounds).

## Frequent Flyer Miles Calculator

Casper (CPR) → McGrath (MCG).

Distance:
2389
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
2389

Round trip?