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How far is Champaign, IL, from Watertown, SD?

The distance between Watertown (Watertown Regional Airport) and Champaign (University of Illinois Willard Airport) is 564 miles / 908 kilometers / 490 nautical miles.

The driving distance from Watertown (ATY) to Champaign (CMI) is 726 miles / 1169 kilometers, and travel time by car is about 13 hours 23 minutes.

Watertown Regional Airport – University of Illinois Willard Airport

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564
Miles
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908
Kilometers
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490
Nautical miles

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Distance from Watertown to Champaign

There are several ways to calculate the distance from Watertown to Champaign. 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 Watertown to Champaign?

The estimated flight time from Watertown Regional Airport to University of Illinois Willard Airport is 1 hour and 34 minutes.

What is the time difference between Watertown and Champaign?

There is no time difference between Watertown and Champaign.

Flight carbon footprint between Watertown Regional Airport (ATY) and University of Illinois Willard Airport (CMI)

On average, flying from Watertown to Champaign 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 Watertown to Champaign

See the map of the shortest flight path between Watertown Regional Airport (ATY) and University of Illinois Willard Airport (CMI).

Airport information

Origin 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
Destination University of Illinois Willard Airport
City: Champaign, IL
Country: United States Flag of United States
IATA Code: CMI
ICAO Code: KCMI
Coordinates: 40°2′21″N, 88°16′41″W