How far is Casper, WY, from Unalaska, AK?

The distance between Unalaska (Unalaska Airport) and Casper (Casper–Natrona County International Airport) is 2776 miles / 4467 kilometers / 2412 nautical miles.

Distance from Unalaska to Casper

There are several ways to calculate the distance from Unalaska to Casper. Here are two standard 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 planet.

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).

How long does it take to fly from Unalaska to Casper?

The estimated flight time from Unalaska Airport to Casper–Natrona County International Airport is 5 hours and 45 minutes.

What is the time difference between Unalaska and Casper?

The time difference between Unalaska and Casper is 3 hours. Casper is 3 hours ahead of Unalaska.

Flight carbon footprint between Unalaska Airport (DUT) and Casper–Natrona County International Airport (CPR)

On average, flying from Unalaska to Casper generates about 308 kg of CO2 per passenger, and 308 kilograms equals 678 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Unalaska to Casper

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

Airport information

Origin	Unalaska Airport
City:	Unalaska, AK
Country:	United States
IATA Code:	DUT
ICAO Code:	PADU
Coordinates:	53°54′0″N, 166°32′38″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