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

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

Distance from Aniak to Casper

There are several ways to calculate the distance from Aniak to Casper. 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 Aniak to Casper?

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

What is the time difference between Aniak and Casper?

The time difference between Aniak and Casper is 2 hours. Casper is 2 hours ahead of Aniak.

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

On average, flying from Aniak to Casper 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 Aniak to Casper

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

Airport information

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