Air Miles Calculator

Distance between Casper, WY (CPR) and Johnstown, PA (JST)

Flight distance from Casper to Johnstown (Casper–Natrona County International Airport – Johnstown–Cambria County Airport) is 1436 miles / 2310 kilometers / 1248 nautical miles. Estimated flight time is 3 hours 13 minutes.

Driving distance from Casper (CPR) to Johnstown (JST) is 1670 miles / 2687 kilometers and travel time by car is about 28 hours 7 minutes.

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

Shortest flight path between Casper–Natrona County International Airport (CPR) and Johnstown–Cambria County Airport (JST).

How far is Johnstown from Casper?

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

Vincenty's formula (applied above)
  • 1435.621 miles
  • 2310.408 kilometers
  • 1247.520 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
  • 1431.983 miles
  • 2304.553 kilometers
  • 1244.359 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 Johnstown–Cambria County Airport
City: Johnstown, PA
Country: United States Flag of United States
IATA Code: JST
ICAO Code: KJST
Coordinates: 40°18′57″N, 78°50′2″W

Time difference and current local times

The time difference between Casper and Johnstown is 2 hours. Johnstown is 2 hours ahead of Casper.

Time Difference

Casper, WY

 MST

Johnstown, PA

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 175 kg (387 pounds).

Frequent Flyer Miles Calculator

Casper (CPR) → Johnstown (JST).

Distance:
1436
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1436

Round trip?