Air Miles Calculator

Distance between Casper, WY (CPR) and Emmonak, AK (EMK)

Flight distance from Casper to Emmonak (Casper–Natrona County International Airport – Emmonak Airport) is 2665 miles / 4290 kilometers / 2316 nautical miles. Estimated flight time is 5 hours 32 minutes.

Driving distance from Casper (CPR) to Emmonak (EMK) is 3619 miles / 5825 kilometers and travel time by car is about 136 hours 42 minutes.

Map of flight path and driving directions from Casper to Emmonak.

Shortest flight path between Casper–Natrona County International Airport (CPR) and Emmonak Airport (EMK).

How far is Emmonak from Casper?

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

Vincenty's formula (applied above)
  • 2665.486 miles
  • 4289.683 kilometers
  • 2316.244 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
  • 2658.706 miles
  • 4278.773 kilometers
  • 2310.352 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 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 Emmonak Airport
City: Emmonak, AK
Country: United States Flag of United States
IATA Code: EMK
ICAO Code: PAEM
Coordinates: 62°47′9″N, 164°29′27″W

Time difference and current local times

The time difference between Casper and Emmonak is 2 hours. Emmonak is 2 hours behind Casper.

Time Difference

Casper, WY

 MST

Emmonak, AK

 AKST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 295 kg (649 pounds).

Frequent Flyer Miles Calculator

Casper (CPR) → Emmonak (EMK).

Distance:
2665
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2665

Round trip?