# Distance between Casper, WY (CPR) and Juneau, AK (JNU)

Flight distance from Casper to Juneau (Casper–Natrona County International Airport – Juneau International Airport) is 1612 miles / 2595 kilometers / 1401 nautical miles. Estimated flight time is 3 hours 33 minutes.

Driving distance from Casper (CPR) to Juneau (JNU) is 2144 miles / 3450 kilometers and travel time by car is about 46 hours 56 minutes.

## Map of flight path and driving directions from Casper to Juneau.

Shortest flight path between Casper–Natrona County International Airport (CPR) and Juneau International Airport (JNU).

## How far is Juneau from Casper?

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

Vincenty's formula (applied above)
• 1612.319 miles
• 2594.776 kilometers
• 1401.067 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
• 1609.239 miles
• 2589.820 kilometers
• 1398.391 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 Juneau International Airport
City: Juneau, AK
Country: United States
IATA Code: JNU
ICAO Code: PAJN
Coordinates: 58°21′28″N, 134°34′59″W

## Time difference and current local times

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

MDT

AKDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 187 kg (412 pounds).

## Frequent Flyer Miles Calculator

Casper (CPR) → Juneau (JNU).

Distance:
1612
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1612

Round trip?