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How far is Watertown, SD, from Casper, WY?

The distance between Casper (Casper–Natrona County International Airport) and Watertown (Watertown Regional Airport) is 485 miles / 780 kilometers / 421 nautical miles.

The driving distance from Casper (CPR) to Watertown (ATY) is 698 miles / 1123 kilometers, and travel time by car is about 11 hours 55 minutes.

Casper–Natrona County International Airport – Watertown Regional Airport

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485
Miles
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780
Kilometers
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421
Nautical miles

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Distance from Casper to Watertown

There are several ways to calculate the distance from Casper to Watertown. Here are two standard 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 planet.

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).

How long does it take to fly from Casper to Watertown?

The estimated flight time from Casper–Natrona County International Airport to Watertown Regional Airport is 1 hour and 25 minutes.

Flight carbon footprint between Casper–Natrona County International Airport (CPR) and Watertown Regional Airport (ATY)

On average, flying from Casper to Watertown generates about 96 kg of CO2 per passenger, and 96 kilograms equals 212 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Casper to Watertown

See the map of the shortest flight path between Casper–Natrona County International Airport (CPR) and Watertown Regional Airport (ATY).

Airport information

Origin 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
Destination 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