Air Miles Calculator

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 Flag of 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 Flag of 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.

Time Difference

Rock Springs, WY

 MDT

St Michael, AK

 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?