How far is St Michael, AK, from Casper, WY?
The distance between Casper (Casper–Natrona County International Airport) and St Michael (St. Michael Airport) is 2595 miles / 4176 kilometers / 2255 nautical miles.
The driving distance from Casper (CPR) to St Michael (SMK) is 3615 miles / 5817 kilometers, and travel time by car is about 147 hours 11 minutes.
Casper–Natrona County International Airport – St. Michael Airport
Search flights
Distance from Casper to St Michael
There are several ways to calculate the distance from Casper to St Michael. Here are two standard 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 planet.
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).
How long does it take to fly from Casper to St Michael?
The estimated flight time from Casper–Natrona County International Airport to St. Michael Airport is 5 hours and 24 minutes.
What is the time difference between Casper and St Michael?
The time difference between Casper and St Michael is 2 hours. St Michael is 2 hours behind Casper.
Flight carbon footprint between Casper–Natrona County International Airport (CPR) and St. Michael Airport (SMK)
On average, flying from Casper to St Michael generates about 286 kg of CO2 per passenger, and 286 kilograms equals 631 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Casper to St Michael
See the map of the shortest flight path between Casper–Natrona County International Airport (CPR) and St. Michael Airport (SMK).
Airport information
| Origin | Casper–Natrona County International Airport |
|---|---|
| City: | Casper, WY |
| Country: | United States  |
| IATA Code: | CPR |
| ICAO Code: | KCPR |
| Coordinates: | 42°54′28″N, 106°27′50″W |
| Destination | 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 |