Air Miles Calculator

Distance between Casper, WY (CPR) and Westerly, RI (WST)

Flight distance from Casper to Westerly (Casper–Natrona County International Airport – Westerly State Airport) is 1771 miles / 2851 kilometers / 1539 nautical miles. Estimated flight time is 3 hours 51 minutes.

Driving distance from Casper (CPR) to Westerly (WST) is 2057 miles / 3310 kilometers and travel time by car is about 35 hours 4 minutes.

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

Shortest flight path between Casper–Natrona County International Airport (CPR) and Westerly State Airport (WST).

How far is Westerly from Casper?

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

Vincenty's formula (applied above)
  • 1771.397 miles
  • 2850.788 kilometers
  • 1539.302 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
  • 1766.776 miles
  • 2843.350 kilometers
  • 1535.286 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 Westerly State Airport
City: Westerly, RI
Country: United States Flag of United States
IATA Code: WST
ICAO Code: KWST
Coordinates: 41°20′58″N, 71°48′12″W

Time difference and current local times

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

Time Difference

Casper, WY

 MST

Westerly, RI

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 198 kg (436 pounds).

Frequent Flyer Miles Calculator

Casper (CPR) → Westerly (WST).

Distance:
1771
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1771

Round trip?