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How far is Casper, WY, from St Michael, AK?

The distance between St Michael (St. Michael Airport) and Casper (Casper–Natrona County International Airport) is 2595 miles / 4176 kilometers / 2255 nautical miles.

The driving distance from St Michael (SMK) to Casper (CPR) is 3620 miles / 5826 kilometers, and travel time by car is about 147 hours 18 minutes.

St. Michael Airport – Casper–Natrona County International Airport

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2595
Miles
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4176
Kilometers
Distance arrow
2255
Nautical miles

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Distance from St Michael to Casper

There are several ways to calculate the distance from St Michael to Casper. 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 St Michael to Casper?

The estimated flight time from St. Michael Airport to Casper–Natrona County International Airport is 5 hours and 24 minutes.

Flight carbon footprint between St. Michael Airport (SMK) and Casper–Natrona County International Airport (CPR)

On average, flying from St Michael to Casper 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 St Michael to Casper

See the map of the shortest flight path between St. Michael Airport (SMK) and Casper–Natrona County International Airport (CPR).

Airport information

Origin 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
Destination 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