Air Miles Calculator

Distance between Casper, WY (CPR) and St Michael, AK (SMK)

Distance from Casper to St Michael (Casper–Natrona County International Airport – St. Michael Airport) is 2595 miles / 4176 kilometers / 2255 nautical miles.

How far is St Michael from Casper?

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

Vincenty's formula (applied above)
  • 2595.023 miles
  • 4176.284 kilometers
  • 2255.013 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
  • 2588.569 miles
  • 4165.898 kilometers
  • 2249.405 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).

Flight duration

Estimated flight time from Casper–Natrona County International Airport (CPR) to St. Michael Airport (SMK) is 5 hours 24 minutes.

Time difference and current local times

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

Time Difference

Casper
St Michael

Casper, WY

 MST

St Michael, AK

 AKST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 291 kg (641 pounds).

Airport information


A Casper–Natrona County International Airport
City: Casper, WY
Country: United States Flag of United States
IATA Code: CPR
ICAO Code: KCPR
Coordinates: 42°54′28″N, 106°27′50″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

Map

Casper to St Michael flight map.

Frequent Flyer Miles Calculator

Casper (CPR) → St Michael (SMK).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
2595
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2595

Round trip?