# Distance between Rock Springs, WY (RKS) and Aniak, AK (ANI)

Flight distance from Rock Springs to Aniak (Southwest Wyoming Regional Airport – Aniak Airport) is 2484 miles / 3998 kilometers / 2159 nautical miles. Estimated flight time is 5 hours 12 minutes.

## Map of flight path from Rock Springs to Aniak.

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Aniak Airport (ANI).

## How far is Aniak from Rock Springs?

There are several ways to calculate distances between Rock Springs and Aniak. Here are two common methods:

Vincenty's formula (applied above)
• 2484.161 miles
• 3997.869 kilometers
• 2158.677 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
• 2478.382 miles
• 3988.569 kilometers
• 2153.655 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).

## Airport information

A Southwest Wyoming Regional Airport
City: Rock Springs, WY
Country: United States
IATA Code: RKS
ICAO Code: KRKS
Coordinates: 41°35′39″N, 109°3′54″W

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

## Time difference and current local times

The time difference between Rock Springs and Aniak is 2 hours. Aniak is 2 hours behind Rock Springs.

MDT

AKDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 273 kg (603 pounds).

## Frequent Flyer Miles Calculator

Rock Springs (RKS) → Aniak (ANI).

Distance:
2484
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
2484

Round trip?