Air Miles Calculator

Distance between Casper, WY (CPR) and Watertown, SD (ATY)

Distance from Casper to Watertown (Casper–Natrona County International Airport – Watertown Regional Airport) is 485 miles / 780 kilometers / 421 nautical miles.

How far is Watertown from Casper?

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

Vincenty's formula (applied above)
  • 484.527 miles
  • 779.771 kilometers
  • 421.043 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
  • 483.344 miles
  • 777.867 kilometers
  • 420.015 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).

Flight duration

Estimated flight time from Casper–Natrona County International Airport (CPR) to Watertown Regional Airport (ATY) is 1 hour 25 minutes.

Time difference and current local times

The time difference between Casper and Watertown is 1 hour. Watertown is 1 hour ahead of Casper.

Time Difference

Casper
Watertown

Casper, WY

 MST

Watertown, SD

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 97 kg (213 pounds).

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 Watertown Regional Airport
City: Watertown, SD
Country: United States Flag of United States
IATA Code: ATY
ICAO Code: KATY
Coordinates: 44°54′50″N, 97°9′16″W

Map

Casper to Watertown flight map.

Frequent Flyer Miles Calculator

Casper (CPR) → Watertown (ATY).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
485
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
485

Round trip?