# Distance between Casper, WY (CPR) and Bethel, AK (BET)

Flight distance from Casper to Bethel (Casper–Natrona County International Airport – Bethel Airport) is 2571 miles / 4138 kilometers / 2235 nautical miles. Estimated flight time is 5 hours 22 minutes.

## Map of flight path from Casper to Bethel.

Shortest flight path between Casper–Natrona County International Airport (CPR) and Bethel Airport (BET).

## How far is Bethel from Casper?

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

Vincenty's formula (applied above)
• 2571.419 miles
• 4138.297 kilometers
• 2234.502 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
• 2564.845 miles
• 4127.717 kilometers
• 2228.789 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
IATA Code: CPR
ICAO Code: KCPR
Coordinates: 42°54′28″N, 106°27′50″W

B Bethel Airport
City: Bethel, AK
Country: United States
IATA Code: BET
ICAO Code: PABE
Coordinates: 60°46′47″N, 161°50′16″W

## Time difference and current local times

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

MDT

AKDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 284 kg (625 pounds).

## Frequent Flyer Miles Calculator

Casper (CPR) → Bethel (BET).

Distance:
2571
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
2571

Round trip?