# Distance between Casper, WY (CPR) and Tok, AK (TKJ)

Flight distance from Casper to Tok (Casper–Natrona County International Airport – Tok Junction Airport) is 2023 miles / 3256 kilometers / 1758 nautical miles. Estimated flight time is 4 hours 19 minutes.

Driving distance from Casper (CPR) to Tok (TKJ) is 2617 miles / 4211 kilometers and travel time by car is about 47 hours 33 minutes.

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

Shortest flight path between Casper–Natrona County International Airport (CPR) and Tok Junction Airport (TKJ).

## How far is Tok from Casper?

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

Vincenty's formula (applied above)
• 2023.450 miles
• 3256.427 kilometers
• 1758.330 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
• 2019.328 miles
• 3249.794 kilometers
• 1754.748 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 Tok Junction Airport
City: Tok, AK
Country: United States
IATA Code: TKJ
ICAO Code: PFTO
Coordinates: 63°19′46″N, 142°57′14″W

## Time difference and current local times

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

MDT

AKDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 220 kg (486 pounds).

## Frequent Flyer Miles Calculator

Casper (CPR) → Tok (TKJ).

Distance:
2023
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
2023

Round trip?