How far is Casper, WY, from Watertown, SD?
The distance between Watertown (Watertown Regional Airport) and Casper (Casper–Natrona County International Airport) is 485 miles / 780 kilometers / 421 nautical miles.
The driving distance from Watertown (ATY) to Casper (CPR) is 697 miles / 1122 kilometers, and travel time by car is about 11 hours 55 minutes.
Watertown Regional Airport – Casper–Natrona County International Airport
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Distance from Watertown to Casper
There are several ways to calculate the distance from Watertown to Casper. 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 Watertown to Casper?
The estimated flight time from Watertown Regional Airport to Casper–Natrona County International Airport is 1 hour and 25 minutes.
What is the time difference between Watertown and Casper?
The time difference between Watertown and Casper is 1 hour. Casper is 1 hour behind Watertown.
Flight carbon footprint between Watertown Regional Airport (ATY) and Casper–Natrona County International Airport (CPR)
On average, flying from Watertown to Casper 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 Watertown to Casper
See the map of the shortest flight path between Watertown Regional Airport (ATY) and Casper–Natrona County International Airport (CPR).
Airport information
| Origin | Watertown Regional Airport |
|---|---|
| City: | Watertown, SD |
| Country: | United States  |
| IATA Code: | ATY |
| ICAO Code: | KATY |
| Coordinates: | 44°54′50″N, 97°9′16″W |
| Destination | 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 |