How far is Aniak, AK, from Rapid City, SD?

The distance between Rapid City (Rapid City Regional Airport) and Aniak (Aniak Airport) is 2552 miles / 4107 kilometers / 2218 nautical miles.

Distance from Rapid City to Aniak

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

Vincenty's formula (applied above)

• 2552.090 miles
• 4107.191 kilometers
• 2217.706 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

• 2545.330 miles
• 4096.311 kilometers
• 2211.831 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 Rapid City to Aniak?

The estimated flight time from Rapid City Regional Airport to Aniak Airport is 5 hours and 19 minutes.

What is the time difference between Rapid City and Aniak?

The time difference between Rapid City and Aniak is 2 hours. Aniak is 2 hours behind Rapid City.

Flight carbon footprint between Rapid City Regional Airport (RAP) and Aniak Airport (ANI)

On average, flying from Rapid City to Aniak generates about 281 kg of CO2 per passenger, and 281 kilograms equals 620 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rapid City to Aniak

See the map of the shortest flight path between Rapid City Regional Airport (RAP) and Aniak Airport (ANI).

Airport information

Origin	Rapid City Regional Airport
City:	Rapid City, SD
Country:	United States
IATA Code:	RAP
ICAO Code:	KRAP
Coordinates:	44°2′43″N, 103°3′25″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