Air Miles Calculator

Distance between Casper, WY (CPR) and Unalaska, AK (DUT)

Flight distance from Casper to Unalaska (Casper–Natrona County International Airport – Unalaska Airport) is 2776 miles / 4467 kilometers / 2412 nautical miles. Estimated flight time is 5 hours 45 minutes.

Map of flight path from Casper to Unalaska.

Shortest flight path between Casper–Natrona County International Airport (CPR) and Unalaska Airport (DUT).

How far is Unalaska from Casper?

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

Vincenty's formula (applied above)
  • 2775.622 miles
  • 4466.931 kilometers
  • 2411.950 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
  • 2767.986 miles
  • 4454.641 kilometers
  • 2405.314 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 Unalaska Airport
City: Unalaska, AK
Country: United States Flag of United States
IATA Code: DUT
ICAO Code: PADU
Coordinates: 53°54′0″N, 166°32′38″W

Time difference and current local times

The time difference between Casper and Unalaska is 3 hours. Unalaska is 3 hours behind Casper.

Time Difference

Casper, WY

 MST

Unalaska, AK

 HST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 308 kg (678 pounds).

Frequent Flyer Miles Calculator

Casper (CPR) → Unalaska (DUT).

Distance:
2776
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2776

Round trip?