How far is Watertown, SD, from Champaign, IL?
The distance between Champaign (University of Illinois Willard Airport) and Watertown (Watertown Regional Airport) is 564 miles / 908 kilometers / 490 nautical miles.
The driving distance from Champaign (CMI) to Watertown (ATY) is 746 miles / 1200 kilometers, and travel time by car is about 13 hours 19 minutes.
University of Illinois Willard Airport – Watertown Regional Airport
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Distance from Champaign to Watertown
There are several ways to calculate the distance from Champaign to Watertown. Here are two standard methods:
Vincenty's formula (applied above)- 564.181 miles
- 907.961 kilometers
- 490.260 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- 563.425 miles
- 906.744 kilometers
- 489.603 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 Champaign to Watertown?
The estimated flight time from University of Illinois Willard Airport to Watertown Regional Airport is 1 hour and 34 minutes.
What is the time difference between Champaign and Watertown?
There is no time difference between Champaign and Watertown.
Flight carbon footprint between University of Illinois Willard Airport (CMI) and Watertown Regional Airport (ATY)
On average, flying from Champaign to Watertown generates about 108 kg of CO2 per passenger, and 108 kilograms equals 238 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Champaign to Watertown
See the map of the shortest flight path between University of Illinois Willard Airport (CMI) and Watertown Regional Airport (ATY).
Airport information
| Origin | University of Illinois Willard Airport |
|---|---|
| City: | Champaign, IL |
| Country: | United States  |
| IATA Code: | CMI |
| ICAO Code: | KCMI |
| Coordinates: | 40°2′21″N, 88°16′41″W |
| Destination | Watertown Regional Airport |
|---|---|
| City: | Watertown, SD |
| Country: | United States |
| IATA Code: | ATY |
| ICAO Code: | KATY |
| Coordinates: | 44°54′50″N, 97°9′16″W |