# Distance between Rock Springs, WY (RKS) and Grayling, AK (KGX)

Flight distance from Rock Springs to Grayling (Southwest Wyoming Regional Airport – Grayling Airport) is 2518 miles / 4052 kilometers / 2188 nautical miles. Estimated flight time is 5 hours 15 minutes.

Driving distance from Rock Springs (RKS) to Grayling (KGX) is 3426 miles / 5513 kilometers and travel time by car is about 112 hours 36 minutes.

## Map of flight path and driving directions from Rock Springs to Grayling.

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and Grayling Airport (KGX).

## How far is Grayling from Rock Springs?

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

Vincenty's formula (applied above)
• 2517.587 miles
• 4051.663 kilometers
• 2187.723 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
• 2511.803 miles
• 4042.355 kilometers
• 2182.697 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 Grayling Airport
City: Grayling, AK
Country: United States
IATA Code: KGX
ICAO Code: PAGX
Coordinates: 62°53′42″N, 160°3′58″W

## Time difference and current local times

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

MDT

AKDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 277 kg (611 pounds).

## Frequent Flyer Miles Calculator

Rock Springs (RKS) → Grayling (KGX).

Distance:
2518
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
2518

Round trip?