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

The distance between Watertown (Watertown Regional Airport) and Rockford (Chicago Rockford International Airport) is 446 miles / 717 kilometers / 387 nautical miles.

The driving distance from Watertown (ATY) to Rockford (RFD) is 606 miles / 976 kilometers, and travel time by car is about 10 hours 45 minutes.

Watertown Regional Airport – Chicago Rockford International Airport

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446
Miles
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717
Kilometers
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387
Nautical miles

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Distance from Watertown to Rockford

There are several ways to calculate the distance from Watertown to Rockford. Here are two standard methods:

Vincenty's formula (applied above)
  • 445.703 miles
  • 717.289 kilometers
  • 387.305 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
  • 444.776 miles
  • 715.798 kilometers
  • 386.500 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 Rockford?

The estimated flight time from Watertown Regional Airport to Chicago Rockford International Airport is 1 hour and 20 minutes.

What is the time difference between Watertown and Rockford?

There is no time difference between Watertown and Rockford.

Flight carbon footprint between Watertown Regional Airport (ATY) and Chicago Rockford International Airport (RFD)

On average, flying from Watertown to Rockford generates about 91 kg of CO2 per passenger, and 91 kilograms equals 200 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 Rockford

See the map of the shortest flight path between Watertown Regional Airport (ATY) and Chicago Rockford International Airport (RFD).

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 Chicago Rockford International Airport
City: Rockford, IL
Country: United States Flag of United States
IATA Code: RFD
ICAO Code: KRFD
Coordinates: 42°11′43″N, 89°5′49″W