# Distance between Rock Springs, WY (RKS) and St Michael, AK (SMK)

Flight distance from Rock Springs to St Michael (Southwest Wyoming Regional Airport – St. Michael Airport) is 2588 miles / 4165 kilometers / 2249 nautical miles. Estimated flight time is 5 hours 24 minutes.

Driving distance from Rock Springs (RKS) to St Michael (SMK) is 3682 miles / 5926 kilometers and travel time by car is about 138 hours 52 minutes.

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

Shortest flight path between Southwest Wyoming Regional Airport (RKS) and St. Michael Airport (SMK).

## How far is St Michael from Rock Springs?

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

Vincenty's formula (applied above)
• 2588.015 miles
• 4165.007 kilometers
• 2248.924 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
• 2582.006 miles
• 4155.337 kilometers
• 2243.702 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 St. Michael Airport
City: St Michael, AK
Country: United States
IATA Code: SMK
ICAO Code: PAMK
Coordinates: 63°29′24″N, 162°6′36″W

## Time difference and current local times

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

MDT

AKDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 285 kg (629 pounds).

## Frequent Flyer Miles Calculator

Rock Springs (RKS) → St Michael (SMK).

Distance:
2588
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
2588

Round trip?