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

The distance between Casper (Casper–Natrona County International Airport) and Annette (Annette Island Airport) is 1404 miles / 2260 kilometers / 1220 nautical miles.

The driving distance from Casper (CPR) to Annette (ANN) is 1866 miles / 3003 kilometers, and travel time by car is about 42 hours 10 minutes.

Casper–Natrona County International Airport – Annette Island Airport

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1404
Miles
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2260
Kilometers
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1220
Nautical miles

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Distance from Casper to Annette

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

Vincenty's formula (applied above)
  • 1404.078 miles
  • 2259.644 kilometers
  • 1220.110 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
  • 1401.302 miles
  • 2255.177 kilometers
  • 1217.698 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 Annette?

The estimated flight time from Casper–Natrona County International Airport to Annette Island Airport is 3 hours and 9 minutes.

Flight carbon footprint between Casper–Natrona County International Airport (CPR) and Annette Island Airport (ANN)

On average, flying from Casper to Annette generates about 173 kg of CO2 per passenger, and 173 kilograms equals 382 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Casper to Annette

See the map of the shortest flight path between Casper–Natrona County International Airport (CPR) and Annette Island Airport (ANN).

Airport information

Origin 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
Destination Annette Island Airport
City: Annette, AK
Country: United States Flag of United States
IATA Code: ANN
ICAO Code: PANT
Coordinates: 55°2′32″N, 131°34′19″W