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

The distance between Casper (Casper–Natrona County International Airport) and Aniak (Aniak Airport) is 2499 miles / 4022 kilometers / 2172 nautical miles.

Distance from Casper to Aniak

There are several ways to calculate the distance from Casper to Aniak. Here are two standard methods:

Vincenty's formula (applied above)

• 2499.262 miles
• 4022.172 kilometers
• 2171.799 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

• 2493.023 miles
• 4012.132 kilometers
• 2166.378 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 Aniak?

The estimated flight time from Casper–Natrona County International Airport to Aniak Airport is 5 hours and 13 minutes.

What is the time difference between Casper and Aniak?

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

Flight carbon footprint between Casper–Natrona County International Airport (CPR) and Aniak Airport (ANI)

On average, flying from Casper to Aniak generates about 275 kg of CO2 per passenger, and 275 kilograms equals 606 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Casper to Aniak

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

Airport information

Origin	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

Destination	Aniak Airport
City:	Aniak, AK
Country:	United States
IATA Code:	ANI
ICAO Code:	PANI
Coordinates:	61°34′53″N, 159°32′34″W