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

The distance between Riverton (Central Wyoming Regional Airport) and Annette (Annette Island Airport) is 1326 miles / 2134 kilometers / 1152 nautical miles.

The driving distance from Riverton (RIW) to Annette (ANN) is 1837 miles / 2956 kilometers, and travel time by car is about 42 hours 11 minutes.

Central Wyoming Regional Airport – Annette Island Airport

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1326
Miles
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2134
Kilometers
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1152
Nautical miles

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Distance from Riverton to Annette

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

Vincenty's formula (applied above)
  • 1326.055 miles
  • 2134.079 kilometers
  • 1152.310 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
  • 1323.549 miles
  • 2130.045 kilometers
  • 1150.132 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 Riverton to Annette?

The estimated flight time from Central Wyoming Regional Airport to Annette Island Airport is 3 hours and 0 minutes.

Flight carbon footprint between Central Wyoming Regional Airport (RIW) and Annette Island Airport (ANN)

On average, flying from Riverton to Annette generates about 169 kg of CO2 per passenger, and 169 kilograms equals 372 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Riverton to Annette

See the map of the shortest flight path between Central Wyoming Regional Airport (RIW) and Annette Island Airport (ANN).

Airport information

Origin Central Wyoming Regional Airport
City: Riverton, WY
Country: United States Flag of United States
IATA Code: RIW
ICAO Code: KRIW
Coordinates: 43°3′51″N, 108°27′35″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